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Finding the Fourth Proportional to 178,003.40, 267,005.10 and 93,648.20

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Solution

The fourth proportional to 178,003.40, 267,005.10 and 93,648.20 is: 140,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,003.40 : 267,005.10 = 93,648.20 : x
  2. Step 2: Convert to fraction form
    178,003.40/267,005.10 = 93,648.20/x
  3. Step 3: Cross multiply
    178,003.40x = 267,005.10 × 93,648.20
  4. Step 4: Simplify right side
    178,003.40x = 25,004,547,005.82
  5. Step 5: Solve for x
    x = 25,004,547,005.82/178,003.40
  6. Step 6: Final answer
    x = 140,472.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.