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Finding the Fourth Proportional to 96,838.80, 145,309.80 and 37,676.40

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Solution

The fourth proportional to 96,838.80, 145,309.80 and 37,676.40 is: 56,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,838.80 : 145,309.80 = 37,676.40 : x
  2. Step 2: Convert to fraction form
    96,838.80/145,309.80 = 37,676.40/x
  3. Step 3: Cross multiply
    96,838.80x = 145,309.80 × 37,676.40
  4. Step 4: Simplify right side
    96,838.80x = 5,474,750,148.72
  5. Step 5: Solve for x
    x = 5,474,750,148.72/96,838.80
  6. Step 6: Final answer
    x = 56,534.68

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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.