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Finding the Fourth Proportional to 130,363.14, 179,901.12 and 70,747.14

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Solution

The fourth proportional to 130,363.14, 179,901.12 and 70,747.14 is: 97,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.14 : 179,901.12 = 70,747.14 : x
  2. Step 2: Convert to fraction form
    130,363.14/179,901.12 = 70,747.14/x
  3. Step 3: Cross multiply
    130,363.14x = 179,901.12 × 70,747.14
  4. Step 4: Simplify right side
    130,363.14x = 12,727,489,722.80
  5. Step 5: Solve for x
    x = 12,727,489,722.80/130,363.14
  6. Step 6: Final answer
    x = 97,631.05

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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.