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Finding the Fourth Proportional to 127,655.16, 176,171.82 and 73,957.08

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Solution

The fourth proportional to 127,655.16, 176,171.82 and 73,957.08 is: 102,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.16 : 176,171.82 = 73,957.08 : x
  2. Step 2: Convert to fraction form
    127,655.16/176,171.82 = 73,957.08/x
  3. Step 3: Cross multiply
    127,655.16x = 176,171.82 × 73,957.08
  4. Step 4: Simplify right side
    127,655.16x = 13,029,153,385.49
  5. Step 5: Solve for x
    x = 13,029,153,385.49/127,655.16
  6. Step 6: Final answer
    x = 102,065.23

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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.