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Finding the Fourth Proportional to 163,160.76, 225,158.35 and 90,559.41

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Solution

The fourth proportional to 163,160.76, 225,158.35 and 90,559.41 is: 124,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,160.76 : 225,158.35 = 90,559.41 : x
  2. Step 2: Convert to fraction form
    163,160.76/225,158.35 = 90,559.41/x
  3. Step 3: Cross multiply
    163,160.76x = 225,158.35 × 90,559.41
  4. Step 4: Simplify right side
    163,160.76x = 20,390,207,332.57
  5. Step 5: Solve for x
    x = 20,390,207,332.57/163,160.76
  6. Step 6: Final answer
    x = 124,970.04

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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.