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Finding the Fourth Proportional to 111,357.13, 153,672.88 and 60,369.85

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Solution

The fourth proportional to 111,357.13, 153,672.88 and 60,369.85 is: 83,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,357.13 : 153,672.88 = 60,369.85 : x
  2. Step 2: Convert to fraction form
    111,357.13/153,672.88 = 60,369.85/x
  3. Step 3: Cross multiply
    111,357.13x = 153,672.88 × 60,369.85
  4. Step 4: Simplify right side
    111,357.13x = 9,277,207,644.45
  5. Step 5: Solve for x
    x = 9,277,207,644.45/111,357.13
  6. Step 6: Final answer
    x = 83,310.41

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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.