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Finding the Fourth Proportional to 247,260.30, 370,890.45 and 134,897.10

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Solution

The fourth proportional to 247,260.30, 370,890.45 and 134,897.10 is: 202,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,260.30 : 370,890.45 = 134,897.10 : x
  2. Step 2: Convert to fraction form
    247,260.30/370,890.45 = 134,897.10/x
  3. Step 3: Cross multiply
    247,260.30x = 370,890.45 × 134,897.10
  4. Step 4: Simplify right side
    247,260.30x = 50,032,046,122.70
  5. Step 5: Solve for x
    x = 50,032,046,122.70/247,260.30
  6. Step 6: Final answer
    x = 202,345.65

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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.