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Finding the Fourth Proportional to 368,294.09, 552,453.02 and 102,057.17

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Solution

The fourth proportional to 368,294.09, 552,453.02 and 102,057.17 is: 153,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,294.09 : 552,453.02 = 102,057.17 : x
  2. Step 2: Convert to fraction form
    368,294.09/552,453.02 = 102,057.17/x
  3. Step 3: Cross multiply
    368,294.09x = 552,453.02 × 102,057.17
  4. Step 4: Simplify right side
    368,294.09x = 56,381,793,032.71
  5. Step 5: Solve for x
    x = 56,381,793,032.71/368,294.09
  6. Step 6: Final answer
    x = 153,089.05

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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.