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Finding the Fourth Proportional to 221,510.80, 332,317.08 and 63,740.56

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Solution

The fourth proportional to 221,510.80, 332,317.08 and 63,740.56 is: 95,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,510.80 : 332,317.08 = 63,740.56 : x
  2. Step 2: Convert to fraction form
    221,510.80/332,317.08 = 63,740.56/x
  3. Step 3: Cross multiply
    221,510.80x = 332,317.08 × 63,740.56
  4. Step 4: Simplify right side
    221,510.80x = 21,182,076,776.76
  5. Step 5: Solve for x
    x = 21,182,076,776.76/221,510.80
  6. Step 6: Final answer
    x = 95,625.48

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1.5x scale

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.