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Finding the Fourth Proportional to 191,364, 285,024.54 and 181,371.84

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Solution

The fourth proportional to 191,364, 285,024.54 and 181,371.84 is: 270,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,364 : 285,024.54 = 181,371.84 : x
  2. Step 2: Convert to fraction form
    191,364/285,024.54 = 181,371.84/x
  3. Step 3: Cross multiply
    191,364x = 285,024.54 × 181,371.84
  4. Step 4: Simplify right side
    191,364x = 51,695,425,264.95
  5. Step 5: Solve for x
    x = 51,695,425,264.95/191,364
  6. Step 6: Final answer
    x = 270,141.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.