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Finding the Fourth Proportional to 247,335.93, 370,961.98 and 69,801.35

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Solution

The fourth proportional to 247,335.93, 370,961.98 and 69,801.35 is: 104,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,335.93 : 370,961.98 = 69,801.35 : x
  2. Step 2: Convert to fraction form
    247,335.93/370,961.98 = 69,801.35/x
  3. Step 3: Cross multiply
    247,335.93x = 370,961.98 × 69,801.35
  4. Step 4: Simplify right side
    247,335.93x = 25,893,644,973.36
  5. Step 5: Solve for x
    x = 25,893,644,973.36/247,335.93
  6. Step 6: Final answer
    x = 104,690.19

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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.