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Finding the Fourth Proportional to 225,006.96, 310,498.20 and 124,385.52

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Solution

The fourth proportional to 225,006.96, 310,498.20 and 124,385.52 is: 171,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,006.96 : 310,498.20 = 124,385.52 : x
  2. Step 2: Convert to fraction form
    225,006.96/310,498.20 = 124,385.52/x
  3. Step 3: Cross multiply
    225,006.96x = 310,498.20 × 124,385.52
  4. Step 4: Simplify right side
    225,006.96x = 38,621,480,066.06
  5. Step 5: Solve for x
    x = 38,621,480,066.06/225,006.96
  6. Step 6: Final answer
    x = 171,645.71

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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.