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Finding the Fourth Proportional to 292,051.50, 438,155.01 and 92,375.52

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Solution

The fourth proportional to 292,051.50, 438,155.01 and 92,375.52 is: 138,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,051.50 : 438,155.01 = 92,375.52 : x
  2. Step 2: Convert to fraction form
    292,051.50/438,155.01 = 92,375.52/x
  3. Step 3: Cross multiply
    292,051.50x = 438,155.01 × 92,375.52
  4. Step 4: Simplify right side
    292,051.50x = 40,474,796,889.36
  5. Step 5: Solve for x
    x = 40,474,796,889.36/292,051.50
  6. Step 6: Final answer
    x = 138,587.88

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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.