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Finding the Fourth Proportional to 118,098.26, 162,924.15 and 75,054.68

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Solution

The fourth proportional to 118,098.26, 162,924.15 and 75,054.68 is: 103,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098.26 : 162,924.15 = 75,054.68 : x
  2. Step 2: Convert to fraction form
    118,098.26/162,924.15 = 75,054.68/x
  3. Step 3: Cross multiply
    118,098.26x = 162,924.15 × 75,054.68
  4. Step 4: Simplify right side
    118,098.26x = 12,228,220,024.83
  5. Step 5: Solve for x
    x = 12,228,220,024.83/118,098.26
  6. Step 6: Final answer
    x = 103,542.77

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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.