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Finding the Fourth Proportional to 230,862.90, 346,294.35 and 112,764.90

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Solution

The fourth proportional to 230,862.90, 346,294.35 and 112,764.90 is: 169,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,862.90 : 346,294.35 = 112,764.90 : x
  2. Step 2: Convert to fraction form
    230,862.90/346,294.35 = 112,764.90/x
  3. Step 3: Cross multiply
    230,862.90x = 346,294.35 × 112,764.90
  4. Step 4: Simplify right side
    230,862.90x = 39,049,847,748.32
  5. Step 5: Solve for x
    x = 39,049,847,748.32/230,862.90
  6. Step 6: Final answer
    x = 169,147.35

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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.