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Finding the Fourth Proportional to 368,302, 552,451.43 and 102,061.75

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Solution

The fourth proportional to 368,302, 552,451.43 and 102,061.75 is: 153,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,302 : 552,451.43 = 102,061.75 : x
  2. Step 2: Convert to fraction form
    368,302/552,451.43 = 102,061.75/x
  3. Step 3: Cross multiply
    368,302x = 552,451.43 × 102,061.75
  4. Step 4: Simplify right side
    368,302x = 56,384,159,225.49
  5. Step 5: Solve for x
    x = 56,384,159,225.49/368,302
  6. Step 6: Final answer
    x = 153,092.19

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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.