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Finding the Fourth Proportional to 250,385.96, 375,316.52 and 92,513.72

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Solution

The fourth proportional to 250,385.96, 375,316.52 and 92,513.72 is: 138,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,385.96 : 375,316.52 = 92,513.72 : x
  2. Step 2: Convert to fraction form
    250,385.96/375,316.52 = 92,513.72/x
  3. Step 3: Cross multiply
    250,385.96x = 375,316.52 × 92,513.72
  4. Step 4: Simplify right side
    250,385.96x = 34,721,927,442.65
  5. Step 5: Solve for x
    x = 34,721,927,442.65/250,385.96
  6. Step 6: Final answer
    x = 138,673.62

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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.