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Finding the Fourth Proportional to 341,401.65, 512,102.48 and 88,661.40

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Solution

The fourth proportional to 341,401.65, 512,102.48 and 88,661.40 is: 132,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,401.65 : 512,102.48 = 88,661.40 : x
  2. Step 2: Convert to fraction form
    341,401.65/512,102.48 = 88,661.40/x
  3. Step 3: Cross multiply
    341,401.65x = 512,102.48 × 88,661.40
  4. Step 4: Simplify right side
    341,401.65x = 45,403,722,376.97
  5. Step 5: Solve for x
    x = 45,403,722,376.97/341,401.65
  6. Step 6: Final answer
    x = 132,992.10

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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.