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Finding the Fourth Proportional to 243,374.40, 365,061.60 and 176,500.80

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Solution

The fourth proportional to 243,374.40, 365,061.60 and 176,500.80 is: 264,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,374.40 : 365,061.60 = 176,500.80 : x
  2. Step 2: Convert to fraction form
    243,374.40/365,061.60 = 176,500.80/x
  3. Step 3: Cross multiply
    243,374.40x = 365,061.60 × 176,500.80
  4. Step 4: Simplify right side
    243,374.40x = 64,433,664,449.28
  5. Step 5: Solve for x
    x = 64,433,664,449.28/243,374.40
  6. Step 6: Final answer
    x = 264,751.20

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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.