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Finding the Fourth Proportional to 357,665.65, 536,581.52 and 104,935.93

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Solution

The fourth proportional to 357,665.65, 536,581.52 and 104,935.93 is: 157,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,665.65 : 536,581.52 = 104,935.93 : x
  2. Step 2: Convert to fraction form
    357,665.65/536,581.52 = 104,935.93/x
  3. Step 3: Cross multiply
    357,665.65x = 536,581.52 × 104,935.93
  4. Step 4: Simplify right side
    357,665.65x = 56,306,680,822.01
  5. Step 5: Solve for x
    x = 56,306,680,822.01/357,665.65
  6. Step 6: Final answer
    x = 157,428.26

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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.