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Finding the Fourth Proportional to 357,541.48, 536,311.68 and 91,302.04

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Solution

The fourth proportional to 357,541.48, 536,311.68 and 91,302.04 is: 136,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,541.48 : 536,311.68 = 91,302.04 : x
  2. Step 2: Convert to fraction form
    357,541.48/536,311.68 = 91,302.04/x
  3. Step 3: Cross multiply
    357,541.48x = 536,311.68 × 91,302.04
  4. Step 4: Simplify right side
    357,541.48x = 48,966,350,459.83
  5. Step 5: Solve for x
    x = 48,966,350,459.83/357,541.48
  6. Step 6: Final answer
    x = 136,952.92

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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.