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Finding the Fourth Proportional to 88,783, 122,520.54 and 49,041.56

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Solution

The fourth proportional to 88,783, 122,520.54 and 49,041.56 is: 67,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,783 : 122,520.54 = 49,041.56 : x
  2. Step 2: Convert to fraction form
    88,783/122,520.54 = 49,041.56/x
  3. Step 3: Cross multiply
    88,783x = 122,520.54 × 49,041.56
  4. Step 4: Simplify right side
    88,783x = 6,008,598,413.64
  5. Step 5: Solve for x
    x = 6,008,598,413.64/88,783
  6. Step 6: Final answer
    x = 67,677.35

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1.5x scale

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.