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Finding the Fourth Proportional to 356,933.16, 535,342.29 and 104,154.30

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Solution

The fourth proportional to 356,933.16, 535,342.29 and 104,154.30 is: 156,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,933.16 : 535,342.29 = 104,154.30 : x
  2. Step 2: Convert to fraction form
    356,933.16/535,342.29 = 104,154.30/x
  3. Step 3: Cross multiply
    356,933.16x = 535,342.29 × 104,154.30
  4. Step 4: Simplify right side
    356,933.16x = 55,758,199,467.81
  5. Step 5: Solve for x
    x = 55,758,199,467.81/356,933.16
  6. Step 6: Final answer
    x = 156,214.68

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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.