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Finding the Fourth Proportional to 235,577.60, 353,539.20 and 156,665.60

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Solution

The fourth proportional to 235,577.60, 353,539.20 and 156,665.60 is: 235,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,577.60 : 353,539.20 = 156,665.60 : x
  2. Step 2: Convert to fraction form
    235,577.60/353,539.20 = 156,665.60/x
  3. Step 3: Cross multiply
    235,577.60x = 353,539.20 × 156,665.60
  4. Step 4: Simplify right side
    235,577.60x = 55,387,430,891.52
  5. Step 5: Solve for x
    x = 55,387,430,891.52/235,577.60
  6. Step 6: Final answer
    x = 235,113.32

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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.