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Finding the Fourth Proportional to 292,499.52, 438,815.52 and 92,832

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Solution

The fourth proportional to 292,499.52, 438,815.52 and 92,832 is: 139,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,499.52 : 438,815.52 = 92,832 : x
  2. Step 2: Convert to fraction form
    292,499.52/438,815.52 = 92,832/x
  3. Step 3: Cross multiply
    292,499.52x = 438,815.52 × 92,832
  4. Step 4: Simplify right side
    292,499.52x = 40,736,122,352.64
  5. Step 5: Solve for x
    x = 40,736,122,352.64/292,499.52
  6. Step 6: Final answer
    x = 139,269.02

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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.