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Finding the Fourth Proportional to 84,357.52, 126,510.72 and 44,354.95

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Solution

The fourth proportional to 84,357.52, 126,510.72 and 44,354.95 is: 66,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,357.52 : 126,510.72 = 44,354.95 : x
  2. Step 2: Convert to fraction form
    84,357.52/126,510.72 = 44,354.95/x
  3. Step 3: Cross multiply
    84,357.52x = 126,510.72 × 44,354.95
  4. Step 4: Simplify right side
    84,357.52x = 5,611,376,177.46
  5. Step 5: Solve for x
    x = 5,611,376,177.46/84,357.52
  6. Step 6: Final answer
    x = 66,518.98

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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.