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Finding the Fourth Proportional to 168,010.60, 252,088.80 and 84,904.60

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Solution

The fourth proportional to 168,010.60, 252,088.80 and 84,904.60 is: 127,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,010.60 : 252,088.80 = 84,904.60 : x
  2. Step 2: Convert to fraction form
    168,010.60/252,088.80 = 84,904.60/x
  3. Step 3: Cross multiply
    168,010.60x = 252,088.80 × 84,904.60
  4. Step 4: Simplify right side
    168,010.60x = 21,403,498,728.48
  5. Step 5: Solve for x
    x = 21,403,498,728.48/168,010.60
  6. Step 6: Final answer
    x = 127,393.74

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1.5x scale

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.