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Finding the Fourth Proportional to 111,373.68, 153,697.68 and 60,388.13

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Solution

The fourth proportional to 111,373.68, 153,697.68 and 60,388.13 is: 83,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,373.68 : 153,697.68 = 60,388.13 : x
  2. Step 2: Convert to fraction form
    111,373.68/153,697.68 = 60,388.13/x
  3. Step 3: Cross multiply
    111,373.68x = 153,697.68 × 60,388.13
  4. Step 4: Simplify right side
    111,373.68x = 9,281,515,694.94
  5. Step 5: Solve for x
    x = 9,281,515,694.94/111,373.68
  6. Step 6: Final answer
    x = 83,336.70

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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.