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Finding the Fourth Proportional to 223,230.60, 334,959.84 and 148,401.72

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Solution

The fourth proportional to 223,230.60, 334,959.84 and 148,401.72 is: 222,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,230.60 : 334,959.84 = 148,401.72 : x
  2. Step 2: Convert to fraction form
    223,230.60/334,959.84 = 148,401.72/x
  3. Step 3: Cross multiply
    223,230.60x = 334,959.84 × 148,401.72
  4. Step 4: Simplify right side
    223,230.60x = 49,708,616,386.92
  5. Step 5: Solve for x
    x = 49,708,616,386.92/223,230.60
  6. Step 6: Final answer
    x = 222,678.33

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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.