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Finding the Fourth Proportional to 69,248.47, 95,541.64 and 42,362.95

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Solution

The fourth proportional to 69,248.47, 95,541.64 and 42,362.95 is: 58,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,248.47 : 95,541.64 = 42,362.95 : x
  2. Step 2: Convert to fraction form
    69,248.47/95,541.64 = 42,362.95/x
  3. Step 3: Cross multiply
    69,248.47x = 95,541.64 × 42,362.95
  4. Step 4: Simplify right side
    69,248.47x = 4,047,425,718.24
  5. Step 5: Solve for x
    x = 4,047,425,718.24/69,248.47
  6. Step 6: Final answer
    x = 58,447.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.