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Finding the Fourth Proportional to 121,602.18, 182,246.40 and 50,444.40

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Solution

The fourth proportional to 121,602.18, 182,246.40 and 50,444.40 is: 75,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,602.18 : 182,246.40 = 50,444.40 : x
  2. Step 2: Convert to fraction form
    121,602.18/182,246.40 = 50,444.40/x
  3. Step 3: Cross multiply
    121,602.18x = 182,246.40 × 50,444.40
  4. Step 4: Simplify right side
    121,602.18x = 9,193,310,300.16
  5. Step 5: Solve for x
    x = 9,193,310,300.16/121,602.18
  6. Step 6: Final answer
    x = 75,601.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.