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Finding the Fourth Proportional to 132,319.50, 182,600.91 and 72,703.50

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Solution

The fourth proportional to 132,319.50, 182,600.91 and 72,703.50 is: 100,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,319.50 : 182,600.91 = 72,703.50 : x
  2. Step 2: Convert to fraction form
    132,319.50/182,600.91 = 72,703.50/x
  3. Step 3: Cross multiply
    132,319.50x = 182,600.91 × 72,703.50
  4. Step 4: Simplify right side
    132,319.50x = 13,275,725,260.19
  5. Step 5: Solve for x
    x = 13,275,725,260.19/132,319.50
  6. Step 6: Final answer
    x = 100,330.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.