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Finding the Fourth Proportional to 127,013.69, 175,278.69 and 73,298.70

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Solution

The fourth proportional to 127,013.69, 175,278.69 and 73,298.70 is: 101,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,013.69 : 175,278.69 = 73,298.70 : x
  2. Step 2: Convert to fraction form
    127,013.69/175,278.69 = 73,298.70/x
  3. Step 3: Cross multiply
    127,013.69x = 175,278.69 × 73,298.70
  4. Step 4: Simplify right side
    127,013.69x = 12,847,700,114.70
  5. Step 5: Solve for x
    x = 12,847,700,114.70/127,013.69
  6. Step 6: Final answer
    x = 101,152.09

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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.