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Finding the Fourth Proportional to 96,007.90, 144,011.85 and 84,927.10

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Solution

The fourth proportional to 96,007.90, 144,011.85 and 84,927.10 is: 127,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,007.90 : 144,011.85 = 84,927.10 : x
  2. Step 2: Convert to fraction form
    96,007.90/144,011.85 = 84,927.10/x
  3. Step 3: Cross multiply
    96,007.90x = 144,011.85 × 84,927.10
  4. Step 4: Simplify right side
    96,007.90x = 12,230,508,786.14
  5. Step 5: Solve for x
    x = 12,230,508,786.14/96,007.90
  6. Step 6: Final answer
    x = 127,390.65

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Similar ratio
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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.