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Finding the Fourth Proportional to 157,325.59, 235,984.06 and 38,994.31

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Solution

The fourth proportional to 157,325.59, 235,984.06 and 38,994.31 is: 58,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,325.59 : 235,984.06 = 38,994.31 : x
  2. Step 2: Convert to fraction form
    157,325.59/235,984.06 = 38,994.31/x
  3. Step 3: Cross multiply
    157,325.59x = 235,984.06 × 38,994.31
  4. Step 4: Simplify right side
    157,325.59x = 9,202,035,590.70
  5. Step 5: Solve for x
    x = 9,202,035,590.70/157,325.59
  6. Step 6: Final answer
    x = 58,490.39

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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.