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Finding the Fourth Proportional to 191,409.41, 287,052.89 and 63,301.91

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Solution

The fourth proportional to 191,409.41, 287,052.89 and 63,301.91 is: 94,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,409.41 : 287,052.89 = 63,301.91 : x
  2. Step 2: Convert to fraction form
    191,409.41/287,052.89 = 63,301.91/x
  3. Step 3: Cross multiply
    191,409.41x = 287,052.89 × 63,301.91
  4. Step 4: Simplify right side
    191,409.41x = 18,170,994,931.01
  5. Step 5: Solve for x
    x = 18,170,994,931.01/191,409.41
  6. Step 6: Final answer
    x = 94,932.61

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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.