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Finding the Fourth Proportional to 140,908.59, 211,359.80 and 34,293.02

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Solution

The fourth proportional to 140,908.59, 211,359.80 and 34,293.02 is: 51,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,908.59 : 211,359.80 = 34,293.02 : x
  2. Step 2: Convert to fraction form
    140,908.59/211,359.80 = 34,293.02/x
  3. Step 3: Cross multiply
    140,908.59x = 211,359.80 × 34,293.02
  4. Step 4: Simplify right side
    140,908.59x = 7,248,164,877.53
  5. Step 5: Solve for x
    x = 7,248,164,877.53/140,908.59
  6. Step 6: Final answer
    x = 51,438.77

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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.