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Finding the Fourth Proportional to 151,326.62, 208,815.28 and 93,174.12

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Solution

The fourth proportional to 151,326.62, 208,815.28 and 93,174.12 is: 128,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,326.62 : 208,815.28 = 93,174.12 : x
  2. Step 2: Convert to fraction form
    151,326.62/208,815.28 = 93,174.12/x
  3. Step 3: Cross multiply
    151,326.62x = 208,815.28 × 93,174.12
  4. Step 4: Simplify right side
    151,326.62x = 19,456,179,956.55
  5. Step 5: Solve for x
    x = 19,456,179,956.55/151,326.62
  6. Step 6: Final answer
    x = 128,570.77

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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.