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Finding the Fourth Proportional to 157,710.51, 236,569.13 and 56,515.17

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Solution

The fourth proportional to 157,710.51, 236,569.13 and 56,515.17 is: 84,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,710.51 : 236,569.13 = 56,515.17 : x
  2. Step 2: Convert to fraction form
    157,710.51/236,569.13 = 56,515.17/x
  3. Step 3: Cross multiply
    157,710.51x = 236,569.13 × 56,515.17
  4. Step 4: Simplify right side
    157,710.51x = 13,369,744,316.13
  5. Step 5: Solve for x
    x = 13,369,744,316.13/157,710.51
  6. Step 6: Final answer
    x = 84,773.96

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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.