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Finding the Fourth Proportional to 185,703.64, 278,552.72 and 45,462.26

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Solution

The fourth proportional to 185,703.64, 278,552.72 and 45,462.26 is: 68,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,703.64 : 278,552.72 = 45,462.26 : x
  2. Step 2: Convert to fraction form
    185,703.64/278,552.72 = 45,462.26/x
  3. Step 3: Cross multiply
    185,703.64x = 278,552.72 × 45,462.26
  4. Step 4: Simplify right side
    185,703.64x = 12,663,636,990.38
  5. Step 5: Solve for x
    x = 12,663,636,990.38/185,703.64
  6. Step 6: Final answer
    x = 68,192.72

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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.