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Finding the Fourth Proportional to 125,893, 188,586.24 and 58,330.36

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Solution

The fourth proportional to 125,893, 188,586.24 and 58,330.36 is: 87,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,893 : 188,586.24 = 58,330.36 : x
  2. Step 2: Convert to fraction form
    125,893/188,586.24 = 58,330.36/x
  3. Step 3: Cross multiply
    125,893x = 188,586.24 × 58,330.36
  4. Step 4: Simplify right side
    125,893x = 11,000,303,270.25
  5. Step 5: Solve for x
    x = 11,000,303,270.25/125,893
  6. Step 6: Final answer
    x = 87,378.20

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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.