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Finding the Fourth Proportional to 356,934.93, 535,344.95 and 104,156.07

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Solution

The fourth proportional to 356,934.93, 535,344.95 and 104,156.07 is: 156,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,934.93 : 535,344.95 = 104,156.07 : x
  2. Step 2: Convert to fraction form
    356,934.93/535,344.95 = 104,156.07/x
  3. Step 3: Cross multiply
    356,934.93x = 535,344.95 × 104,156.07
  4. Step 4: Simplify right side
    356,934.93x = 55,759,425,565.57
  5. Step 5: Solve for x
    x = 55,759,425,565.57/356,934.93
  6. Step 6: Final answer
    x = 156,217.34

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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.