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Finding the Fourth Proportional to 113,033.73, 156,008.07 and 74,794.04

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Solution

The fourth proportional to 113,033.73, 156,008.07 and 74,794.04 is: 103,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,033.73 : 156,008.07 = 74,794.04 : x
  2. Step 2: Convert to fraction form
    113,033.73/156,008.07 = 74,794.04/x
  3. Step 3: Cross multiply
    113,033.73x = 156,008.07 × 74,794.04
  4. Step 4: Simplify right side
    113,033.73x = 11,668,473,047.86
  5. Step 5: Solve for x
    x = 11,668,473,047.86/113,033.73
  6. Step 6: Final answer
    x = 103,230.01

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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.