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Finding the Fourth Proportional to 162,014.87, 223,581.32 and 90,398.93

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Solution

The fourth proportional to 162,014.87, 223,581.32 and 90,398.93 is: 124,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014.87 : 223,581.32 = 90,398.93 : x
  2. Step 2: Convert to fraction form
    162,014.87/223,581.32 = 90,398.93/x
  3. Step 3: Cross multiply
    162,014.87x = 223,581.32 × 90,398.93
  4. Step 4: Simplify right side
    162,014.87x = 20,211,510,526.09
  5. Step 5: Solve for x
    x = 20,211,510,526.09/162,014.87
  6. Step 6: Final answer
    x = 124,750.96

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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.