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Finding the Fourth Proportional to 160,349.52, 221,279.07 and 88,729.52

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Solution

The fourth proportional to 160,349.52, 221,279.07 and 88,729.52 is: 122,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,349.52 : 221,279.07 = 88,729.52 : x
  2. Step 2: Convert to fraction form
    160,349.52/221,279.07 = 88,729.52/x
  3. Step 3: Cross multiply
    160,349.52x = 221,279.07 × 88,729.52
  4. Step 4: Simplify right side
    160,349.52x = 19,633,985,667.15
  5. Step 5: Solve for x
    x = 19,633,985,667.15/160,349.52
  6. Step 6: Final answer
    x = 122,444.93

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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.