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Finding the Fourth Proportional to 235,522.08, 353,248.29 and 77,751.90

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Solution

The fourth proportional to 235,522.08, 353,248.29 and 77,751.90 is: 116,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,522.08 : 353,248.29 = 77,751.90 : x
  2. Step 2: Convert to fraction form
    235,522.08/353,248.29 = 77,751.90/x
  3. Step 3: Cross multiply
    235,522.08x = 353,248.29 × 77,751.90
  4. Step 4: Simplify right side
    235,522.08x = 27,465,725,719.25
  5. Step 5: Solve for x
    x = 27,465,725,719.25/235,522.08
  6. Step 6: Final answer
    x = 116,616.35

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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.