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Finding the Fourth Proportional to 91,669.60, 137,526.24 and 32,510.40

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Solution

The fourth proportional to 91,669.60, 137,526.24 and 32,510.40 is: 48,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,669.60 : 137,526.24 = 32,510.40 : x
  2. Step 2: Convert to fraction form
    91,669.60/137,526.24 = 32,510.40/x
  3. Step 3: Cross multiply
    91,669.60x = 137,526.24 × 32,510.40
  4. Step 4: Simplify right side
    91,669.60x = 4,471,033,072.90
  5. Step 5: Solve for x
    x = 4,471,033,072.90/91,669.60
  6. Step 6: Final answer
    x = 48,773.35

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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.