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Finding the Fourth Proportional to 72,526.88, 108,702.84 and 37,447.40

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Solution

The fourth proportional to 72,526.88, 108,702.84 and 37,447.40 is: 56,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.88 : 108,702.84 = 37,447.40 : x
  2. Step 2: Convert to fraction form
    72,526.88/108,702.84 = 37,447.40/x
  3. Step 3: Cross multiply
    72,526.88x = 108,702.84 × 37,447.40
  4. Step 4: Simplify right side
    72,526.88x = 4,070,638,730.62
  5. Step 5: Solve for x
    x = 4,070,638,730.62/72,526.88
  6. Step 6: Final answer
    x = 56,125.93

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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.