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Finding the Fourth Proportional to 368,294.66, 552,453.86 and 102,057.74

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Solution

The fourth proportional to 368,294.66, 552,453.86 and 102,057.74 is: 153,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,294.66 : 552,453.86 = 102,057.74 : x
  2. Step 2: Convert to fraction form
    368,294.66/552,453.86 = 102,057.74/x
  3. Step 3: Cross multiply
    368,294.66x = 552,453.86 × 102,057.74
  4. Step 4: Simplify right side
    368,294.66x = 56,382,189,898.75
  5. Step 5: Solve for x
    x = 56,382,189,898.75/368,294.66
  6. Step 6: Final answer
    x = 153,089.89

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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.