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Finding the Fourth Proportional to 94,486, 130,388.70 and 52,044.88

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Solution

The fourth proportional to 94,486, 130,388.70 and 52,044.88 is: 71,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,486 : 130,388.70 = 52,044.88 : x
  2. Step 2: Convert to fraction form
    94,486/130,388.70 = 52,044.88/x
  3. Step 3: Cross multiply
    94,486x = 130,388.70 × 52,044.88
  4. Step 4: Simplify right side
    94,486x = 6,786,064,244.86
  5. Step 5: Solve for x
    x = 6,786,064,244.86/94,486
  6. Step 6: Final answer
    x = 71,820.84

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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.