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Finding the Fourth Proportional to 115,488.48, 159,363.54 and 67,733.04

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Solution

The fourth proportional to 115,488.48, 159,363.54 and 67,733.04 is: 93,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,488.48 : 159,363.54 = 67,733.04 : x
  2. Step 2: Convert to fraction form
    115,488.48/159,363.54 = 67,733.04/x
  3. Step 3: Cross multiply
    115,488.48x = 159,363.54 × 67,733.04
  4. Step 4: Simplify right side
    115,488.48x = 10,794,177,029.36
  5. Step 5: Solve for x
    x = 10,794,177,029.36/115,488.48
  6. Step 6: Final answer
    x = 93,465.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.