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Finding the Fourth Proportional to 230,959.52, 346,448.98 and 112,730.30

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Solution

The fourth proportional to 230,959.52, 346,448.98 and 112,730.30 is: 169,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,959.52 : 346,448.98 = 112,730.30 : x
  2. Step 2: Convert to fraction form
    230,959.52/346,448.98 = 112,730.30/x
  3. Step 3: Cross multiply
    230,959.52x = 346,448.98 × 112,730.30
  4. Step 4: Simplify right side
    230,959.52x = 39,055,295,717.85
  5. Step 5: Solve for x
    x = 39,055,295,717.85/230,959.52
  6. Step 6: Final answer
    x = 169,100.18

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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.