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Finding the Fourth Proportional to 529,159.28, 793,727.43 and 129,802.01

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Solution

The fourth proportional to 529,159.28, 793,727.43 and 129,802.01 is: 194,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,159.28 : 793,727.43 = 129,802.01 : x
  2. Step 2: Convert to fraction form
    529,159.28/793,727.43 = 129,802.01/x
  3. Step 3: Cross multiply
    529,159.28x = 793,727.43 × 129,802.01
  4. Step 4: Simplify right side
    529,159.28x = 103,027,415,806.13
  5. Step 5: Solve for x
    x = 103,027,415,806.13/529,159.28
  6. Step 6: Final answer
    x = 194,700.20

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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.