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Finding the Fourth Proportional to 127,952.50, 176,574.45 and 71,363.92

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Solution

The fourth proportional to 127,952.50, 176,574.45 and 71,363.92 is: 98,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.50 : 176,574.45 = 71,363.92 : x
  2. Step 2: Convert to fraction form
    127,952.50/176,574.45 = 71,363.92/x
  3. Step 3: Cross multiply
    127,952.50x = 176,574.45 × 71,363.92
  4. Step 4: Simplify right side
    127,952.50x = 12,601,044,923.84
  5. Step 5: Solve for x
    x = 12,601,044,923.84/127,952.50
  6. Step 6: Final answer
    x = 98,482.21

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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.