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Finding the Fourth Proportional to 141,888.32, 212,832.47 and 134,793.32

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Solution

The fourth proportional to 141,888.32, 212,832.47 and 134,793.32 is: 202,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,888.32 : 212,832.47 = 134,793.32 : x
  2. Step 2: Convert to fraction form
    141,888.32/212,832.47 = 134,793.32/x
  3. Step 3: Cross multiply
    141,888.32x = 212,832.47 × 134,793.32
  4. Step 4: Simplify right side
    141,888.32x = 28,688,396,104.16
  5. Step 5: Solve for x
    x = 28,688,396,104.16/141,888.32
  6. Step 6: Final answer
    x = 202,189.98

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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.