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Finding the Fourth Proportional to 226,712.70, 340,054.65 and 76,952.70

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Solution

The fourth proportional to 226,712.70, 340,054.65 and 76,952.70 is: 115,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,712.70 : 340,054.65 = 76,952.70 : x
  2. Step 2: Convert to fraction form
    226,712.70/340,054.65 = 76,952.70/x
  3. Step 3: Cross multiply
    226,712.70x = 340,054.65 × 76,952.70
  4. Step 4: Simplify right side
    226,712.70x = 26,168,123,465.06
  5. Step 5: Solve for x
    x = 26,168,123,465.06/226,712.70
  6. Step 6: Final answer
    x = 115,424.16

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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.