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Finding the Fourth Proportional to 93,246.59, 139,870.87 and 74,644.88

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Solution

The fourth proportional to 93,246.59, 139,870.87 and 74,644.88 is: 111,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246.59 : 139,870.87 = 74,644.88 : x
  2. Step 2: Convert to fraction form
    93,246.59/139,870.87 = 74,644.88/x
  3. Step 3: Cross multiply
    93,246.59x = 139,870.87 × 74,644.88
  4. Step 4: Simplify right side
    93,246.59x = 10,440,644,306.65
  5. Step 5: Solve for x
    x = 10,440,644,306.65/93,246.59
  6. Step 6: Final answer
    x = 111,968.11

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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.