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Finding the Fourth Proportional to 97,434.64, 146,065.56 and 47,486.80

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Solution

The fourth proportional to 97,434.64, 146,065.56 and 47,486.80 is: 71,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,434.64 : 146,065.56 = 47,486.80 : x
  2. Step 2: Convert to fraction form
    97,434.64/146,065.56 = 47,486.80/x
  3. Step 3: Cross multiply
    97,434.64x = 146,065.56 × 47,486.80
  4. Step 4: Simplify right side
    97,434.64x = 6,936,186,034.61
  5. Step 5: Solve for x
    x = 6,936,186,034.61/97,434.64
  6. Step 6: Final answer
    x = 71,188.09

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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.