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Finding the Fourth Proportional to 127,883.92, 176,477.88 and 71,293.84

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Solution

The fourth proportional to 127,883.92, 176,477.88 and 71,293.84 is: 98,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,883.92 : 176,477.88 = 71,293.84 : x
  2. Step 2: Convert to fraction form
    127,883.92/176,477.88 = 71,293.84/x
  3. Step 3: Cross multiply
    127,883.92x = 176,477.88 × 71,293.84
  4. Step 4: Simplify right side
    127,883.92x = 12,581,785,740.26
  5. Step 5: Solve for x
    x = 12,581,785,740.26/127,883.92
  6. Step 6: Final answer
    x = 98,384.42

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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.