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Finding the Fourth Proportional to 230,714.70, 346,069.88 and 72,943.17

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Solution

The fourth proportional to 230,714.70, 346,069.88 and 72,943.17 is: 109,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,714.70 : 346,069.88 = 72,943.17 : x
  2. Step 2: Convert to fraction form
    230,714.70/346,069.88 = 72,943.17/x
  3. Step 3: Cross multiply
    230,714.70x = 346,069.88 × 72,943.17
  4. Step 4: Simplify right side
    230,714.70x = 25,243,434,088.72
  5. Step 5: Solve for x
    x = 25,243,434,088.72/230,714.70
  6. Step 6: Final answer
    x = 109,414.07

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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.