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Finding the Fourth Proportional to 230,862.72, 346,031.60 and 97,659.84

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Solution

The fourth proportional to 230,862.72, 346,031.60 and 97,659.84 is: 146,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,862.72 : 346,031.60 = 97,659.84 : x
  2. Step 2: Convert to fraction form
    230,862.72/346,031.60 = 97,659.84/x
  3. Step 3: Cross multiply
    230,862.72x = 346,031.60 × 97,659.84
  4. Step 4: Simplify right side
    230,862.72x = 33,793,390,690.94
  5. Step 5: Solve for x
    x = 33,793,390,690.94/230,862.72
  6. Step 6: Final answer
    x = 146,378.73

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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.