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Finding the Fourth Proportional to 71,055.95, 106,594.45 and 23,655.56

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Solution

The fourth proportional to 71,055.95, 106,594.45 and 23,655.56 is: 35,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,055.95 : 106,594.45 = 23,655.56 : x
  2. Step 2: Convert to fraction form
    71,055.95/106,594.45 = 23,655.56/x
  3. Step 3: Cross multiply
    71,055.95x = 106,594.45 × 23,655.56
  4. Step 4: Simplify right side
    71,055.95x = 2,521,550,815.53
  5. Step 5: Solve for x
    x = 2,521,550,815.53/71,055.95
  6. Step 6: Final answer
    x = 35,486.84

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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.