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Finding the Fourth Proportional to 356,795.33, 535,189.95 and 90,552.06

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Solution

The fourth proportional to 356,795.33, 535,189.95 and 90,552.06 is: 135,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,795.33 : 535,189.95 = 90,552.06 : x
  2. Step 2: Convert to fraction form
    356,795.33/535,189.95 = 90,552.06/x
  3. Step 3: Cross multiply
    356,795.33x = 535,189.95 × 90,552.06
  4. Step 4: Simplify right side
    356,795.33x = 48,462,552,463.80
  5. Step 5: Solve for x
    x = 48,462,552,463.80/356,795.33
  6. Step 6: Final answer
    x = 135,827.32

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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.