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Finding the Fourth Proportional to 75,445.52, 113,060.98 and 55,567.76

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Solution

The fourth proportional to 75,445.52, 113,060.98 and 55,567.76 is: 83,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.52 : 113,060.98 = 55,567.76 : x
  2. Step 2: Convert to fraction form
    75,445.52/113,060.98 = 55,567.76/x
  3. Step 3: Cross multiply
    75,445.52x = 113,060.98 × 55,567.76
  4. Step 4: Simplify right side
    75,445.52x = 6,282,545,402.00
  5. Step 5: Solve for x
    x = 6,282,545,402.00/75,445.52
  6. Step 6: Final answer
    x = 83,272.61

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1.5x scale

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.