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Finding the Fourth Proportional to 231,012.10, 346,553.03 and 97,892.90

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Solution

The fourth proportional to 231,012.10, 346,553.03 and 97,892.90 is: 146,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,012.10 : 346,553.03 = 97,892.90 : x
  2. Step 2: Convert to fraction form
    231,012.10/346,553.03 = 97,892.90/x
  3. Step 3: Cross multiply
    231,012.10x = 346,553.03 × 97,892.90
  4. Step 4: Simplify right side
    231,012.10x = 33,925,081,110.49
  5. Step 5: Solve for x
    x = 33,925,081,110.49/231,012.10
  6. Step 6: Final answer
    x = 146,854.13

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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.