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Finding the Fourth Proportional to 130,363.20, 195,253.20 and 107,035.20

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Solution

The fourth proportional to 130,363.20, 195,253.20 and 107,035.20 is: 160,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.20 : 195,253.20 = 107,035.20 : x
  2. Step 2: Convert to fraction form
    130,363.20/195,253.20 = 107,035.20/x
  3. Step 3: Cross multiply
    130,363.20x = 195,253.20 × 107,035.20
  4. Step 4: Simplify right side
    130,363.20x = 20,898,965,312.64
  5. Step 5: Solve for x
    x = 20,898,965,312.64/130,363.20
  6. Step 6: Final answer
    x = 160,313.38

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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.