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Finding the Fourth Proportional to 356,710.32, 535,007.16 and 107,334

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Solution

The fourth proportional to 356,710.32, 535,007.16 and 107,334 is: 160,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,710.32 : 535,007.16 = 107,334 : x
  2. Step 2: Convert to fraction form
    356,710.32/535,007.16 = 107,334/x
  3. Step 3: Cross multiply
    356,710.32x = 535,007.16 × 107,334
  4. Step 4: Simplify right side
    356,710.32x = 57,424,458,511.44
  5. Step 5: Solve for x
    x = 57,424,458,511.44/356,710.32
  6. Step 6: Final answer
    x = 160,983.45

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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.