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Finding the Fourth Proportional to 218,850.95, 302,014.22 and 118,248.95

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Solution

The fourth proportional to 218,850.95, 302,014.22 and 118,248.95 is: 163,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,850.95 : 302,014.22 = 118,248.95 : x
  2. Step 2: Convert to fraction form
    218,850.95/302,014.22 = 118,248.95/x
  3. Step 3: Cross multiply
    218,850.95x = 302,014.22 × 118,248.95
  4. Step 4: Simplify right side
    218,850.95x = 35,712,862,298.75
  5. Step 5: Solve for x
    x = 35,712,862,298.75/218,850.95
  6. Step 6: Final answer
    x = 163,183.50

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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.