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Finding the Fourth Proportional to 162,073.80, 223,674.51 and 90,464.57

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Solution

The fourth proportional to 162,073.80, 223,674.51 and 90,464.57 is: 124,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,073.80 : 223,674.51 = 90,464.57 : x
  2. Step 2: Convert to fraction form
    162,073.80/223,674.51 = 90,464.57/x
  3. Step 3: Cross multiply
    162,073.80x = 223,674.51 × 90,464.57
  4. Step 4: Simplify right side
    162,073.80x = 20,234,618,367.11
  5. Step 5: Solve for x
    x = 20,234,618,367.11/162,073.80
  6. Step 6: Final answer
    x = 124,848.18

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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.