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Finding the Fourth Proportional to 163,341.52, 225,404.04 and 91,720.24

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Solution

The fourth proportional to 163,341.52, 225,404.04 and 91,720.24 is: 126,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341.52 : 225,404.04 = 91,720.24 : x
  2. Step 2: Convert to fraction form
    163,341.52/225,404.04 = 91,720.24/x
  3. Step 3: Cross multiply
    163,341.52x = 225,404.04 × 91,720.24
  4. Step 4: Simplify right side
    163,341.52x = 20,674,112,645.77
  5. Step 5: Solve for x
    x = 20,674,112,645.77/163,341.52
  6. Step 6: Final answer
    x = 126,569.86

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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.