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Finding the Fourth Proportional to 226,642.80, 340,093.80 and 156,572.40

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Solution

The fourth proportional to 226,642.80, 340,093.80 and 156,572.40 is: 234,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,642.80 : 340,093.80 = 156,572.40 : x
  2. Step 2: Convert to fraction form
    226,642.80/340,093.80 = 156,572.40/x
  3. Step 3: Cross multiply
    226,642.80x = 340,093.80 × 156,572.40
  4. Step 4: Simplify right side
    226,642.80x = 53,249,302,491.12
  5. Step 5: Solve for x
    x = 53,249,302,491.12/226,642.80
  6. Step 6: Final answer
    x = 234,948.13

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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.