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Finding the Fourth Proportional to 111,337.58, 153,642.94 and 60,348.08

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Solution

The fourth proportional to 111,337.58, 153,642.94 and 60,348.08 is: 83,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.58 : 153,642.94 = 60,348.08 : x
  2. Step 2: Convert to fraction form
    111,337.58/153,642.94 = 60,348.08/x
  3. Step 3: Cross multiply
    111,337.58x = 153,642.94 × 60,348.08
  4. Step 4: Simplify right side
    111,337.58x = 9,272,055,515.47
  5. Step 5: Solve for x
    x = 9,272,055,515.47/111,337.58
  6. Step 6: Final answer
    x = 83,278.76

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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.