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Finding the Fourth Proportional to 192,545.88, 288,746.91 and 66,150.24

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Solution

The fourth proportional to 192,545.88, 288,746.91 and 66,150.24 is: 99,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,545.88 : 288,746.91 = 66,150.24 : x
  2. Step 2: Convert to fraction form
    192,545.88/288,746.91 = 66,150.24/x
  3. Step 3: Cross multiply
    192,545.88x = 288,746.91 × 66,150.24
  4. Step 4: Simplify right side
    192,545.88x = 19,100,677,395.76
  5. Step 5: Solve for x
    x = 19,100,677,395.76/192,545.88
  6. Step 6: Final answer
    x = 99,200.65

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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.