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Finding the Fourth Proportional to 59,117.73, 88,642.45 and 40,420.41

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Solution

The fourth proportional to 59,117.73, 88,642.45 and 40,420.41 is: 60,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,117.73 : 88,642.45 = 40,420.41 : x
  2. Step 2: Convert to fraction form
    59,117.73/88,642.45 = 40,420.41/x
  3. Step 3: Cross multiply
    59,117.73x = 88,642.45 × 40,420.41
  4. Step 4: Simplify right side
    59,117.73x = 3,582,964,172.40
  5. Step 5: Solve for x
    x = 3,582,964,172.40/59,117.73
  6. Step 6: Final answer
    x = 60,607.27

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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.