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Finding the Fourth Proportional to 111,045.53, 153,244.10 and 67,425.41

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Solution

The fourth proportional to 111,045.53, 153,244.10 and 67,425.41 is: 93,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,045.53 : 153,244.10 = 67,425.41 : x
  2. Step 2: Convert to fraction form
    111,045.53/153,244.10 = 67,425.41/x
  3. Step 3: Cross multiply
    111,045.53x = 153,244.10 × 67,425.41
  4. Step 4: Simplify right side
    111,045.53x = 10,332,546,824.25
  5. Step 5: Solve for x
    x = 10,332,546,824.25/111,045.53
  6. Step 6: Final answer
    x = 93,047.84

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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.