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Finding the Fourth Proportional to 224,630.16, 309,984.84 and 148,056.72

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Solution

The fourth proportional to 224,630.16, 309,984.84 and 148,056.72 is: 204,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,630.16 : 309,984.84 = 148,056.72 : x
  2. Step 2: Convert to fraction form
    224,630.16/309,984.84 = 148,056.72/x
  3. Step 3: Cross multiply
    224,630.16x = 309,984.84 × 148,056.72
  4. Step 4: Simplify right side
    224,630.16x = 45,895,338,660.12
  5. Step 5: Solve for x
    x = 45,895,338,660.12/224,630.16
  6. Step 6: Final answer
    x = 204,315.12

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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.