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Finding the Fourth Proportional to 537,793.16, 806,501.21 and 158,613.12

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Solution

The fourth proportional to 537,793.16, 806,501.21 and 158,613.12 is: 237,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,793.16 : 806,501.21 = 158,613.12 : x
  2. Step 2: Convert to fraction form
    537,793.16/806,501.21 = 158,613.12/x
  3. Step 3: Cross multiply
    537,793.16x = 806,501.21 × 158,613.12
  4. Step 4: Simplify right side
    537,793.16x = 127,921,672,408.81
  5. Step 5: Solve for x
    x = 127,921,672,408.81/537,793.16
  6. Step 6: Final answer
    x = 237,864.08

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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.