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Finding the Fourth Proportional to 356,782.25, 535,252.08 and 104,082.50

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Solution

The fourth proportional to 356,782.25, 535,252.08 and 104,082.50 is: 156,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,782.25 : 535,252.08 = 104,082.50 : x
  2. Step 2: Convert to fraction form
    356,782.25/535,252.08 = 104,082.50/x
  3. Step 3: Cross multiply
    356,782.25x = 535,252.08 × 104,082.50
  4. Step 4: Simplify right side
    356,782.25x = 55,710,374,616.60
  5. Step 5: Solve for x
    x = 55,710,374,616.60/356,782.25
  6. Step 6: Final answer
    x = 156,146.71

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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.