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Finding the Fourth Proportional to 178,147.62, 245,843.82 and 97,575.12

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Solution

The fourth proportional to 178,147.62, 245,843.82 and 97,575.12 is: 134,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,147.62 : 245,843.82 = 97,575.12 : x
  2. Step 2: Convert to fraction form
    178,147.62/245,843.82 = 97,575.12/x
  3. Step 3: Cross multiply
    178,147.62x = 245,843.82 × 97,575.12
  4. Step 4: Simplify right side
    178,147.62x = 23,988,240,237.76
  5. Step 5: Solve for x
    x = 23,988,240,237.76/178,147.62
  6. Step 6: Final answer
    x = 134,653.72

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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.