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Finding the Fourth Proportional to 61,708.84, 92,551.52 and 30,087.16

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Solution

The fourth proportional to 61,708.84, 92,551.52 and 30,087.16 is: 45,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,708.84 : 92,551.52 = 30,087.16 : x
  2. Step 2: Convert to fraction form
    61,708.84/92,551.52 = 30,087.16/x
  3. Step 3: Cross multiply
    61,708.84x = 92,551.52 × 30,087.16
  4. Step 4: Simplify right side
    61,708.84x = 2,784,612,390.48
  5. Step 5: Solve for x
    x = 2,784,612,390.48/61,708.84
  6. Step 6: Final answer
    x = 45,125.02

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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.