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Finding the Fourth Proportional to 99,077.40, 148,616.10 and 96,890.40

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Solution

The fourth proportional to 99,077.40, 148,616.10 and 96,890.40 is: 145,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.40 : 148,616.10 = 96,890.40 : x
  2. Step 2: Convert to fraction form
    99,077.40/148,616.10 = 96,890.40/x
  3. Step 3: Cross multiply
    99,077.40x = 148,616.10 × 96,890.40
  4. Step 4: Simplify right side
    99,077.40x = 14,399,473,375.44
  5. Step 5: Solve for x
    x = 14,399,473,375.44/99,077.40
  6. Step 6: Final answer
    x = 145,335.60

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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.