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Finding the Fourth Proportional to 109,057.70, 163,500.15 and 59,809.70

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Solution

The fourth proportional to 109,057.70, 163,500.15 and 59,809.70 is: 89,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,057.70 : 163,500.15 = 59,809.70 : x
  2. Step 2: Convert to fraction form
    109,057.70/163,500.15 = 59,809.70/x
  3. Step 3: Cross multiply
    109,057.70x = 163,500.15 × 59,809.70
  4. Step 4: Simplify right side
    109,057.70x = 9,778,894,921.46
  5. Step 5: Solve for x
    x = 9,778,894,921.46/109,057.70
  6. Step 6: Final answer
    x = 89,667.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.