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Finding the Fourth Proportional to 127,894.62, 176,488.08 and 70,543.92

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Solution

The fourth proportional to 127,894.62, 176,488.08 and 70,543.92 is: 97,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,894.62 : 176,488.08 = 70,543.92 : x
  2. Step 2: Convert to fraction form
    127,894.62/176,488.08 = 70,543.92/x
  3. Step 3: Cross multiply
    127,894.62x = 176,488.08 × 70,543.92
  4. Step 4: Simplify right side
    127,894.62x = 12,450,160,996.47
  5. Step 5: Solve for x
    x = 12,450,160,996.47/127,894.62
  6. Step 6: Final answer
    x = 97,347.03

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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.