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Finding the Fourth Proportional to 243,034.70, 364,442.70 and 93,225.20

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Solution

The fourth proportional to 243,034.70, 364,442.70 and 93,225.20 is: 139,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,034.70 : 364,442.70 = 93,225.20 : x
  2. Step 2: Convert to fraction form
    243,034.70/364,442.70 = 93,225.20/x
  3. Step 3: Cross multiply
    243,034.70x = 364,442.70 × 93,225.20
  4. Step 4: Simplify right side
    243,034.70x = 33,975,243,596.04
  5. Step 5: Solve for x
    x = 33,975,243,596.04/243,034.70
  6. Step 6: Final answer
    x = 139,795.85

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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.