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Finding the Fourth Proportional to 125,187.58, 187,570.23 and 61,923.34

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Solution

The fourth proportional to 125,187.58, 187,570.23 and 61,923.34 is: 92,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.58 : 187,570.23 = 61,923.34 : x
  2. Step 2: Convert to fraction form
    125,187.58/187,570.23 = 61,923.34/x
  3. Step 3: Cross multiply
    125,187.58x = 187,570.23 × 61,923.34
  4. Step 4: Simplify right side
    125,187.58x = 11,614,975,126.17
  5. Step 5: Solve for x
    x = 11,614,975,126.17/125,187.58
  6. Step 6: Final answer
    x = 92,780.57

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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.