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Finding the Fourth Proportional to 110,957.64, 153,121.70 and 60,656.68

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Solution

The fourth proportional to 110,957.64, 153,121.70 and 60,656.68 is: 83,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,957.64 : 153,121.70 = 60,656.68 : x
  2. Step 2: Convert to fraction form
    110,957.64/153,121.70 = 60,656.68/x
  3. Step 3: Cross multiply
    110,957.64x = 153,121.70 × 60,656.68
  4. Step 4: Simplify right side
    110,957.64x = 9,287,853,957.96
  5. Step 5: Solve for x
    x = 9,287,853,957.96/110,957.64
  6. Step 6: Final answer
    x = 83,706.30

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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.