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Finding the Fourth Proportional to 224,292.60, 335,985.30 and 139,793.40

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Solution

The fourth proportional to 224,292.60, 335,985.30 and 139,793.40 is: 209,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,292.60 : 335,985.30 = 139,793.40 : x
  2. Step 2: Convert to fraction form
    224,292.60/335,985.30 = 139,793.40/x
  3. Step 3: Cross multiply
    224,292.60x = 335,985.30 × 139,793.40
  4. Step 4: Simplify right side
    224,292.60x = 46,968,527,437.02
  5. Step 5: Solve for x
    x = 46,968,527,437.02/224,292.60
  6. Step 6: Final answer
    x = 209,407.39

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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.