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Finding the Fourth Proportional to 191,864.63, 287,832.49 and 65,497.95

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Solution

The fourth proportional to 191,864.63, 287,832.49 and 65,497.95 is: 98,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,864.63 : 287,832.49 = 65,497.95 : x
  2. Step 2: Convert to fraction form
    191,864.63/287,832.49 = 65,497.95/x
  3. Step 3: Cross multiply
    191,864.63x = 287,832.49 × 65,497.95
  4. Step 4: Simplify right side
    191,864.63x = 18,852,437,874.65
  5. Step 5: Solve for x
    x = 18,852,437,874.65/191,864.63
  6. Step 6: Final answer
    x = 98,259.06

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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.