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Finding the Fourth Proportional to 203,294.03, 280,551.91 and 112,641.52

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Solution

The fourth proportional to 203,294.03, 280,551.91 and 112,641.52 is: 155,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,294.03 : 280,551.91 = 112,641.52 : x
  2. Step 2: Convert to fraction form
    203,294.03/280,551.91 = 112,641.52/x
  3. Step 3: Cross multiply
    203,294.03x = 280,551.91 × 112,641.52
  4. Step 4: Simplify right side
    203,294.03x = 31,601,793,581.30
  5. Step 5: Solve for x
    x = 31,601,793,581.30/203,294.03
  6. Step 6: Final answer
    x = 155,448.70

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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.