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Finding the Fourth Proportional to 185,695.95, 278,543.93 and 52,576.91

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Solution

The fourth proportional to 185,695.95, 278,543.93 and 52,576.91 is: 78,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,695.95 : 278,543.93 = 52,576.91 : x
  2. Step 2: Convert to fraction form
    185,695.95/278,543.93 = 52,576.91/x
  3. Step 3: Cross multiply
    185,695.95x = 278,543.93 × 52,576.91
  4. Step 4: Simplify right side
    185,695.95x = 14,644,977,483.05
  5. Step 5: Solve for x
    x = 14,644,977,483.05/185,695.95
  6. Step 6: Final answer
    x = 78,865.36

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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.