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Finding the Fourth Proportional to 163,105.74, 225,031.68 and 98,594.71

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Solution

The fourth proportional to 163,105.74, 225,031.68 and 98,594.71 is: 136,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,105.74 : 225,031.68 = 98,594.71 : x
  2. Step 2: Convert to fraction form
    163,105.74/225,031.68 = 98,594.71/x
  3. Step 3: Cross multiply
    163,105.74x = 225,031.68 × 98,594.71
  4. Step 4: Simplify right side
    163,105.74x = 22,186,933,230.41
  5. Step 5: Solve for x
    x = 22,186,933,230.41/163,105.74
  6. Step 6: Final answer
    x = 136,027.91

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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.