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Finding the Fourth Proportional to 59,768.76, 89,569.23 and 47,233.68

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Solution

The fourth proportional to 59,768.76, 89,569.23 and 47,233.68 is: 70,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,768.76 : 89,569.23 = 47,233.68 : x
  2. Step 2: Convert to fraction form
    59,768.76/89,569.23 = 47,233.68/x
  3. Step 3: Cross multiply
    59,768.76x = 89,569.23 × 47,233.68
  4. Step 4: Simplify right side
    59,768.76x = 4,230,684,347.67
  5. Step 5: Solve for x
    x = 4,230,684,347.67/59,768.76
  6. Step 6: Final answer
    x = 70,784.21

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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.