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Finding the Fourth Proportional to 134,897.52, 202,411.08 and 72,559.92

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Solution

The fourth proportional to 134,897.52, 202,411.08 and 72,559.92 is: 108,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.52 : 202,411.08 = 72,559.92 : x
  2. Step 2: Convert to fraction form
    134,897.52/202,411.08 = 72,559.92/x
  3. Step 3: Cross multiply
    134,897.52x = 202,411.08 × 72,559.92
  4. Step 4: Simplify right side
    134,897.52x = 14,686,931,771.91
  5. Step 5: Solve for x
    x = 14,686,931,771.91/134,897.52
  6. Step 6: Final answer
    x = 108,874.74

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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.