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Finding the Fourth Proportional to 163,325.93, 225,400.93 and 90,737.33

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Solution

The fourth proportional to 163,325.93, 225,400.93 and 90,737.33 is: 125,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,325.93 : 225,400.93 = 90,737.33 : x
  2. Step 2: Convert to fraction form
    163,325.93/225,400.93 = 90,737.33/x
  3. Step 3: Cross multiply
    163,325.93x = 225,400.93 × 90,737.33
  4. Step 4: Simplify right side
    163,325.93x = 20,452,278,114.03
  5. Step 5: Solve for x
    x = 20,452,278,114.03/163,325.93
  6. Step 6: Final answer
    x = 125,223.71

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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.