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Finding the Fourth Proportional to 357,389.08, 536,122.50 and 132,723.16

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Solution

The fourth proportional to 357,389.08, 536,122.50 and 132,723.16 is: 199,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,389.08 : 536,122.50 = 132,723.16 : x
  2. Step 2: Convert to fraction form
    357,389.08/536,122.50 = 132,723.16/x
  3. Step 3: Cross multiply
    357,389.08x = 536,122.50 × 132,723.16
  4. Step 4: Simplify right side
    357,389.08x = 71,155,872,347.10
  5. Step 5: Solve for x
    x = 71,155,872,347.10/357,389.08
  6. Step 6: Final answer
    x = 199,099.18

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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.