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Finding the Fourth Proportional to 133,387.90, 187,054.10 and 133,387.90

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Solution

The fourth proportional to 133,387.90, 187,054.10 and 133,387.90 is: 187,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.90 : 187,054.10 = 133,387.90 : x
  2. Step 2: Convert to fraction form
    133,387.90/187,054.10 = 133,387.90/x
  3. Step 3: Cross multiply
    133,387.90x = 187,054.10 × 133,387.90
  4. Step 4: Simplify right side
    133,387.90x = 24,950,753,585.39
  5. Step 5: Solve for x
    x = 24,950,753,585.39/133,387.90
  6. Step 6: Final answer
    x = 187,054.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.