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Finding the Fourth Proportional to 199,482.91, 275,248.75 and 118,917.93

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Solution

The fourth proportional to 199,482.91, 275,248.75 and 118,917.93 is: 164,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,482.91 : 275,248.75 = 118,917.93 : x
  2. Step 2: Convert to fraction form
    199,482.91/275,248.75 = 118,917.93/x
  3. Step 3: Cross multiply
    199,482.91x = 275,248.75 × 118,917.93
  4. Step 4: Simplify right side
    199,482.91x = 32,732,011,585.09
  5. Step 5: Solve for x
    x = 32,732,011,585.09/199,482.91
  6. Step 6: Final answer
    x = 164,084.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.