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Finding the Fourth Proportional to 96,281.45, 144,148.80 and 91,044.80

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Solution

The fourth proportional to 96,281.45, 144,148.80 and 91,044.80 is: 136,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,281.45 : 144,148.80 = 91,044.80 : x
  2. Step 2: Convert to fraction form
    96,281.45/144,148.80 = 91,044.80/x
  3. Step 3: Cross multiply
    96,281.45x = 144,148.80 × 91,044.80
  4. Step 4: Simplify right side
    96,281.45x = 13,123,998,666.24
  5. Step 5: Solve for x
    x = 13,123,998,666.24/96,281.45
  6. Step 6: Final answer
    x = 136,308.69

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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.