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Finding the Fourth Proportional to 239,713.40, 359,699.70 and 106,614.20

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Solution

The fourth proportional to 239,713.40, 359,699.70 and 106,614.20 is: 159,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,713.40 : 359,699.70 = 106,614.20 : x
  2. Step 2: Convert to fraction form
    239,713.40/359,699.70 = 106,614.20/x
  3. Step 3: Cross multiply
    239,713.40x = 359,699.70 × 106,614.20
  4. Step 4: Simplify right side
    239,713.40x = 38,349,095,755.74
  5. Step 5: Solve for x
    x = 38,349,095,755.74/239,713.40
  6. Step 6: Final answer
    x = 159,978.94

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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.