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Finding the Fourth Proportional to 147,113.84, 220,671.22 and 40,499.22

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Solution

The fourth proportional to 147,113.84, 220,671.22 and 40,499.22 is: 60,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,113.84 : 220,671.22 = 40,499.22 : x
  2. Step 2: Convert to fraction form
    147,113.84/220,671.22 = 40,499.22/x
  3. Step 3: Cross multiply
    147,113.84x = 220,671.22 × 40,499.22
  4. Step 4: Simplify right side
    147,113.84x = 8,937,012,286.45
  5. Step 5: Solve for x
    x = 8,937,012,286.45/147,113.84
  6. Step 6: Final answer
    x = 60,748.96

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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.