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Finding the Fourth Proportional to 233,374.91, 322,061.49 and 137,881.40

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Solution

The fourth proportional to 233,374.91, 322,061.49 and 137,881.40 is: 190,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,374.91 : 322,061.49 = 137,881.40 : x
  2. Step 2: Convert to fraction form
    233,374.91/322,061.49 = 137,881.40/x
  3. Step 3: Cross multiply
    233,374.91x = 322,061.49 × 137,881.40
  4. Step 4: Simplify right side
    233,374.91x = 44,406,287,516.98
  5. Step 5: Solve for x
    x = 44,406,287,516.98/233,374.91
  6. Step 6: Final answer
    x = 190,278.76

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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.