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Finding the Fourth Proportional to 235,011.04, 352,449.60 and 66,520.32

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Solution

The fourth proportional to 235,011.04, 352,449.60 and 66,520.32 is: 99,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,011.04 : 352,449.60 = 66,520.32 : x
  2. Step 2: Convert to fraction form
    235,011.04/352,449.60 = 66,520.32/x
  3. Step 3: Cross multiply
    235,011.04x = 352,449.60 × 66,520.32
  4. Step 4: Simplify right side
    235,011.04x = 23,445,060,175.87
  5. Step 5: Solve for x
    x = 23,445,060,175.87/235,011.04
  6. Step 6: Final answer
    x = 99,761.53

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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.