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Finding the Fourth Proportional to 169,988,897.80, 254,983,346.70 and 55,055,924.20

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Solution

The fourth proportional to 169,988,897.80, 254,983,346.70 and 55,055,924.20 is: 82,583,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,988,897.80 : 254,983,346.70 = 55,055,924.20 : x
  2. Step 2: Convert to fraction form
    169,988,897.80/254,983,346.70 = 55,055,924.20/x
  3. Step 3: Cross multiply
    169,988,897.80x = 254,983,346.70 × 55,055,924.20
  4. Step 4: Simplify right side
    169,988,897.80x = 14,038,343,808,177,520
  5. Step 5: Solve for x
    x = 14,038,343,808,177,520/169,988,897.80
  6. Step 6: Final answer
    x = 82,583,886.30

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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.