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Finding the Fourth Proportional to 483,142.50, 724,842.27 and 167,598.90

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Solution

The fourth proportional to 483,142.50, 724,842.27 and 167,598.90 is: 251,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,142.50 : 724,842.27 = 167,598.90 : x
  2. Step 2: Convert to fraction form
    483,142.50/724,842.27 = 167,598.90/x
  3. Step 3: Cross multiply
    483,142.50x = 724,842.27 × 167,598.90
  4. Step 4: Simplify right side
    483,142.50x = 121,482,767,125.50
  5. Step 5: Solve for x
    x = 121,482,767,125.50/483,142.50
  6. Step 6: Final answer
    x = 251,442.93

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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.