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Finding the Fourth Proportional to 104,687,857.68, 157,019,772.56 and 28,016,867.04

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Solution

The fourth proportional to 104,687,857.68, 157,019,772.56 and 28,016,867.04 is: 42,022,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,687,857.68 : 157,019,772.56 = 28,016,867.04 : x
  2. Step 2: Convert to fraction form
    104,687,857.68/157,019,772.56 = 28,016,867.04/x
  3. Step 3: Cross multiply
    104,687,857.68x = 157,019,772.56 × 28,016,867.04
  4. Step 4: Simplify right side
    104,687,857.68x = 4,399,202,090,464,560.50
  5. Step 5: Solve for x
    x = 4,399,202,090,464,560.50/104,687,857.68
  6. Step 6: Final answer
    x = 42,022,085.35

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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.