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Finding the Fourth Proportional to 178,046.10, 245,699.73 and 97,469.73

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Solution

The fourth proportional to 178,046.10, 245,699.73 and 97,469.73 is: 134,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,046.10 : 245,699.73 = 97,469.73 : x
  2. Step 2: Convert to fraction form
    178,046.10/245,699.73 = 97,469.73/x
  3. Step 3: Cross multiply
    178,046.10x = 245,699.73 × 97,469.73
  4. Step 4: Simplify right side
    178,046.10x = 23,948,286,344.17
  5. Step 5: Solve for x
    x = 23,948,286,344.17/178,046.10
  6. Step 6: Final answer
    x = 134,506.10

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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.