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Finding the Fourth Proportional to 110,947.41, 153,045.32 and 68,475.87

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Solution

The fourth proportional to 110,947.41, 153,045.32 and 68,475.87 is: 94,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,947.41 : 153,045.32 = 68,475.87 : x
  2. Step 2: Convert to fraction form
    110,947.41/153,045.32 = 68,475.87/x
  3. Step 3: Cross multiply
    110,947.41x = 153,045.32 × 68,475.87
  4. Step 4: Simplify right side
    110,947.41x = 10,479,911,094.05
  5. Step 5: Solve for x
    x = 10,479,911,094.05/110,947.41
  6. Step 6: Final answer
    x = 94,458.37

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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.