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Finding the Fourth Proportional to 464,079.08, 696,119.17 and 127,122.64

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Solution

The fourth proportional to 464,079.08, 696,119.17 and 127,122.64 is: 190,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,079.08 : 696,119.17 = 127,122.64 : x
  2. Step 2: Convert to fraction form
    464,079.08/696,119.17 = 127,122.64/x
  3. Step 3: Cross multiply
    464,079.08x = 696,119.17 × 127,122.64
  4. Step 4: Simplify right side
    464,079.08x = 88,492,503,996.75
  5. Step 5: Solve for x
    x = 88,492,503,996.75/464,079.08
  6. Step 6: Final answer
    x = 190,684.11

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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.