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Finding the Fourth Proportional to 223,542.60, 334,439.10 and 144,810.60

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Solution

The fourth proportional to 223,542.60, 334,439.10 and 144,810.60 is: 216,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,542.60 : 334,439.10 = 144,810.60 : x
  2. Step 2: Convert to fraction form
    223,542.60/334,439.10 = 144,810.60/x
  3. Step 3: Cross multiply
    223,542.60x = 334,439.10 × 144,810.60
  4. Step 4: Simplify right side
    223,542.60x = 48,430,326,734.46
  5. Step 5: Solve for x
    x = 48,430,326,734.46/223,542.60
  6. Step 6: Final answer
    x = 216,649.21

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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.