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Finding the Fourth Proportional to 91,038, 136,527.42 and 34,875.12

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Solution

The fourth proportional to 91,038, 136,527.42 and 34,875.12 is: 52,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,038 : 136,527.42 = 34,875.12 : x
  2. Step 2: Convert to fraction form
    91,038/136,527.42 = 34,875.12/x
  3. Step 3: Cross multiply
    91,038x = 136,527.42 × 34,875.12
  4. Step 4: Simplify right side
    91,038x = 4,761,410,155.79
  5. Step 5: Solve for x
    x = 4,761,410,155.79/91,038
  6. Step 6: Final answer
    x = 52,301.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.