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Finding the Fourth Proportional to 127,605.68, 176,088.24 and 73,886.88

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Solution

The fourth proportional to 127,605.68, 176,088.24 and 73,886.88 is: 101,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,605.68 : 176,088.24 = 73,886.88 : x
  2. Step 2: Convert to fraction form
    127,605.68/176,088.24 = 73,886.88/x
  3. Step 3: Cross multiply
    127,605.68x = 176,088.24 × 73,886.88
  4. Step 4: Simplify right side
    127,605.68x = 13,010,610,658.29
  5. Step 5: Solve for x
    x = 13,010,610,658.29/127,605.68
  6. Step 6: Final answer
    x = 101,959.49

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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.