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Finding the Fourth Proportional to 132,810.10, 199,215.15 and 97,380.70

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Solution

The fourth proportional to 132,810.10, 199,215.15 and 97,380.70 is: 146,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,810.10 : 199,215.15 = 97,380.70 : x
  2. Step 2: Convert to fraction form
    132,810.10/199,215.15 = 97,380.70/x
  3. Step 3: Cross multiply
    132,810.10x = 199,215.15 × 97,380.70
  4. Step 4: Simplify right side
    132,810.10x = 19,399,710,757.61
  5. Step 5: Solve for x
    x = 19,399,710,757.61/132,810.10
  6. Step 6: Final answer
    x = 146,071.05

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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.