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Finding the Fourth Proportional to 160,356.96, 240,474.96 and 65,536.40

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Solution

The fourth proportional to 160,356.96, 240,474.96 and 65,536.40 is: 98,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,356.96 : 240,474.96 = 65,536.40 : x
  2. Step 2: Convert to fraction form
    160,356.96/240,474.96 = 65,536.40/x
  3. Step 3: Cross multiply
    160,356.96x = 240,474.96 × 65,536.40
  4. Step 4: Simplify right side
    160,356.96x = 15,759,863,168.54
  5. Step 5: Solve for x
    x = 15,759,863,168.54/160,356.96
  6. Step 6: Final answer
    x = 98,279.88

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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.