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Finding the Fourth Proportional to 235,330.20, 352,919.46 and 77,521.08

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Solution

The fourth proportional to 235,330.20, 352,919.46 and 77,521.08 is: 116,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,330.20 : 352,919.46 = 77,521.08 : x
  2. Step 2: Convert to fraction form
    235,330.20/352,919.46 = 77,521.08/x
  3. Step 3: Cross multiply
    235,330.20x = 352,919.46 × 77,521.08
  4. Step 4: Simplify right side
    235,330.20x = 27,358,697,692.22
  5. Step 5: Solve for x
    x = 27,358,697,692.22/235,330.20
  6. Step 6: Final answer
    x = 116,256.64

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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.