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Finding the Fourth Proportional to 218,064.80, 327,097.20 and 93,418.40

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Solution

The fourth proportional to 218,064.80, 327,097.20 and 93,418.40 is: 140,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,064.80 : 327,097.20 = 93,418.40 : x
  2. Step 2: Convert to fraction form
    218,064.80/327,097.20 = 93,418.40/x
  3. Step 3: Cross multiply
    218,064.80x = 327,097.20 × 93,418.40
  4. Step 4: Simplify right side
    218,064.80x = 30,556,897,068.48
  5. Step 5: Solve for x
    x = 30,556,897,068.48/218,064.80
  6. Step 6: Final answer
    x = 140,127.60

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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.