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Finding the Fourth Proportional to 230,453.16, 345,442.32 and 88,259.64

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Solution

The fourth proportional to 230,453.16, 345,442.32 and 88,259.64 is: 132,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,453.16 : 345,442.32 = 88,259.64 : x
  2. Step 2: Convert to fraction form
    230,453.16/345,442.32 = 88,259.64/x
  3. Step 3: Cross multiply
    230,453.16x = 345,442.32 × 88,259.64
  4. Step 4: Simplify right side
    230,453.16x = 30,488,614,803.96
  5. Step 5: Solve for x
    x = 30,488,614,803.96/230,453.16
  6. Step 6: Final answer
    x = 132,298.53

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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.