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Finding the Fourth Proportional to 243,266.60, 365,337.30 and 176,781.80

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Solution

The fourth proportional to 243,266.60, 365,337.30 and 176,781.80 is: 265,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,266.60 : 365,337.30 = 176,781.80 : x
  2. Step 2: Convert to fraction form
    243,266.60/365,337.30 = 176,781.80/x
  3. Step 3: Cross multiply
    243,266.60x = 365,337.30 × 176,781.80
  4. Step 4: Simplify right side
    243,266.60x = 64,584,985,501.14
  5. Step 5: Solve for x
    x = 64,584,985,501.14/243,266.60
  6. Step 6: Final answer
    x = 265,490.56

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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.