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Finding the Fourth Proportional to 88,641.95, 122,325.93 and 48,355.79

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Solution

The fourth proportional to 88,641.95, 122,325.93 and 48,355.79 is: 66,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,641.95 : 122,325.93 = 48,355.79 : x
  2. Step 2: Convert to fraction form
    88,641.95/122,325.93 = 48,355.79/x
  3. Step 3: Cross multiply
    88,641.95x = 122,325.93 × 48,355.79
  4. Step 4: Simplify right side
    88,641.95x = 5,915,166,371.01
  5. Step 5: Solve for x
    x = 5,915,166,371.01/88,641.95
  6. Step 6: Final answer
    x = 66,731.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.