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Finding the Fourth Proportional to 222,177.95, 306,597.98 and 126,715.40

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Solution

The fourth proportional to 222,177.95, 306,597.98 and 126,715.40 is: 174,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,177.95 : 306,597.98 = 126,715.40 : x
  2. Step 2: Convert to fraction form
    222,177.95/306,597.98 = 126,715.40/x
  3. Step 3: Cross multiply
    222,177.95x = 306,597.98 × 126,715.40
  4. Step 4: Simplify right side
    222,177.95x = 38,850,683,508.33
  5. Step 5: Solve for x
    x = 38,850,683,508.33/222,177.95
  6. Step 6: Final answer
    x = 174,862.92

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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.