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Finding the Fourth Proportional to 250,650.84, 375,971.40 and 61,111.92

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Solution

The fourth proportional to 250,650.84, 375,971.40 and 61,111.92 is: 91,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,650.84 : 375,971.40 = 61,111.92 : x
  2. Step 2: Convert to fraction form
    250,650.84/375,971.40 = 61,111.92/x
  3. Step 3: Cross multiply
    250,650.84x = 375,971.40 × 61,111.92
  4. Step 4: Simplify right side
    250,650.84x = 22,976,334,119.09
  5. Step 5: Solve for x
    x = 22,976,334,119.09/250,650.84
  6. Step 6: Final answer
    x = 91,666.70

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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.