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Finding the Fourth Proportional to 220,671.62, 304,549.25 and 130,056.76

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Solution

The fourth proportional to 220,671.62, 304,549.25 and 130,056.76 is: 179,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,671.62 : 304,549.25 = 130,056.76 : x
  2. Step 2: Convert to fraction form
    220,671.62/304,549.25 = 130,056.76/x
  3. Step 3: Cross multiply
    220,671.62x = 304,549.25 × 130,056.76
  4. Step 4: Simplify right side
    220,671.62x = 39,608,688,715.43
  5. Step 5: Solve for x
    x = 39,608,688,715.43/220,671.62
  6. Step 6: Final answer
    x = 179,491.54

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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.