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Finding the Fourth Proportional to 111,523.39, 153,897.02 and 60,534.97

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Solution

The fourth proportional to 111,523.39, 153,897.02 and 60,534.97 is: 83,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,523.39 : 153,897.02 = 60,534.97 : x
  2. Step 2: Convert to fraction form
    111,523.39/153,897.02 = 60,534.97/x
  3. Step 3: Cross multiply
    111,523.39x = 153,897.02 × 60,534.97
  4. Step 4: Simplify right side
    111,523.39x = 9,316,150,719.30
  5. Step 5: Solve for x
    x = 9,316,150,719.30/111,523.39
  6. Step 6: Final answer
    x = 83,535.40

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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.