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Finding the Fourth Proportional to 282,547.65, 423,557.96 and 95,428.29

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Solution

The fourth proportional to 282,547.65, 423,557.96 and 95,428.29 is: 143,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,547.65 : 423,557.96 = 95,428.29 : x
  2. Step 2: Convert to fraction form
    282,547.65/423,557.96 = 95,428.29/x
  3. Step 3: Cross multiply
    282,547.65x = 423,557.96 × 95,428.29
  4. Step 4: Simplify right side
    282,547.65x = 40,419,411,361.55
  5. Step 5: Solve for x
    x = 40,419,411,361.55/282,547.65
  6. Step 6: Final answer
    x = 143,053.43

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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.