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Finding the Fourth Proportional to 169,803,129.60, 254,116,828.80 and 101,694,700.80

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Solution

The fourth proportional to 169,803,129.60, 254,116,828.80 and 101,694,700.80 is: 152,189,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803,129.60 : 254,116,828.80 = 101,694,700.80 : x
  2. Step 2: Convert to fraction form
    169,803,129.60/254,116,828.80 = 101,694,700.80/x
  3. Step 3: Cross multiply
    169,803,129.60x = 254,116,828.80 × 101,694,700.80
  4. Step 4: Simplify right side
    169,803,129.60x = 25,842,334,873,060,824
  5. Step 5: Solve for x
    x = 25,842,334,873,060,824/169,803,129.60
  6. Step 6: Final answer
    x = 152,189,979.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.