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Finding the Fourth Proportional to 243,530.70, 365,036.85 and 93,713.10

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Solution

The fourth proportional to 243,530.70, 365,036.85 and 93,713.10 is: 140,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,530.70 : 365,036.85 = 93,713.10 : x
  2. Step 2: Convert to fraction form
    243,530.70/365,036.85 = 93,713.10/x
  3. Step 3: Cross multiply
    243,530.70x = 365,036.85 × 93,713.10
  4. Step 4: Simplify right side
    243,530.70x = 34,208,734,827.74
  5. Step 5: Solve for x
    x = 34,208,734,827.74/243,530.70
  6. Step 6: Final answer
    x = 140,469.91

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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.