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Finding the Fourth Proportional to 88,612.50, 122,285.25 and 48,868.50

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Solution

The fourth proportional to 88,612.50, 122,285.25 and 48,868.50 is: 67,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,612.50 : 122,285.25 = 48,868.50 : x
  2. Step 2: Convert to fraction form
    88,612.50/122,285.25 = 48,868.50/x
  3. Step 3: Cross multiply
    88,612.50x = 122,285.25 × 48,868.50
  4. Step 4: Simplify right side
    88,612.50x = 5,975,896,739.63
  5. Step 5: Solve for x
    x = 5,975,896,739.63/88,612.50
  6. Step 6: Final answer
    x = 67,438.53

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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.