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Finding the Fourth Proportional to 75,295.95, 112,954.35 and 25,390.32

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Solution

The fourth proportional to 75,295.95, 112,954.35 and 25,390.32 is: 38,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.95 : 112,954.35 = 25,390.32 : x
  2. Step 2: Convert to fraction form
    75,295.95/112,954.35 = 25,390.32/x
  3. Step 3: Cross multiply
    75,295.95x = 112,954.35 × 25,390.32
  4. Step 4: Simplify right side
    75,295.95x = 2,867,947,091.89
  5. Step 5: Solve for x
    x = 2,867,947,091.89/75,295.95
  6. Step 6: Final answer
    x = 38,089.00

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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.