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Finding the Fourth Proportional to 99,124.76, 136,758.88 and 63,335.72

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Solution

The fourth proportional to 99,124.76, 136,758.88 and 63,335.72 is: 87,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.76 : 136,758.88 = 63,335.72 : x
  2. Step 2: Convert to fraction form
    99,124.76/136,758.88 = 63,335.72/x
  3. Step 3: Cross multiply
    99,124.76x = 136,758.88 × 63,335.72
  4. Step 4: Simplify right side
    99,124.76x = 8,661,722,552.26
  5. Step 5: Solve for x
    x = 8,661,722,552.26/99,124.76
  6. Step 6: Final answer
    x = 87,382.03

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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.