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Finding the Fourth Proportional to 235,407.30, 353,110.95 and 77,597.70

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Solution

The fourth proportional to 235,407.30, 353,110.95 and 77,597.70 is: 116,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,407.30 : 353,110.95 = 77,597.70 : x
  2. Step 2: Convert to fraction form
    235,407.30/353,110.95 = 77,597.70/x
  3. Step 3: Cross multiply
    235,407.30x = 353,110.95 × 77,597.70
  4. Step 4: Simplify right side
    235,407.30x = 27,400,597,564.82
  5. Step 5: Solve for x
    x = 27,400,597,564.82/235,407.30
  6. Step 6: Final answer
    x = 116,396.55

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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.