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Finding the Fourth Proportional to 230,862.60, 346,403.55 and 159,894.45

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Solution

The fourth proportional to 230,862.60, 346,403.55 and 159,894.45 is: 239,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,862.60 : 346,403.55 = 159,894.45 : x
  2. Step 2: Convert to fraction form
    230,862.60/346,403.55 = 159,894.45/x
  3. Step 3: Cross multiply
    230,862.60x = 346,403.55 × 159,894.45
  4. Step 4: Simplify right side
    230,862.60x = 55,388,005,105.30
  5. Step 5: Solve for x
    x = 55,388,005,105.30/230,862.60
  6. Step 6: Final answer
    x = 239,917.62

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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.