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Finding the Fourth Proportional to 368,134.66, 552,214.32 and 101,872.90

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Solution

The fourth proportional to 368,134.66, 552,214.32 and 101,872.90 is: 152,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,134.66 : 552,214.32 = 101,872.90 : x
  2. Step 2: Convert to fraction form
    368,134.66/552,214.32 = 101,872.90/x
  3. Step 3: Cross multiply
    368,134.66x = 552,214.32 × 101,872.90
  4. Step 4: Simplify right side
    368,134.66x = 56,255,674,199.93
  5. Step 5: Solve for x
    x = 56,255,674,199.93/368,134.66
  6. Step 6: Final answer
    x = 152,812.76

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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.