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Finding the Fourth Proportional to 137,159.72, 205,827.06 and 58,273.95

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Solution

The fourth proportional to 137,159.72, 205,827.06 and 58,273.95 is: 87,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,159.72 : 205,827.06 = 58,273.95 : x
  2. Step 2: Convert to fraction form
    137,159.72/205,827.06 = 58,273.95/x
  3. Step 3: Cross multiply
    137,159.72x = 205,827.06 × 58,273.95
  4. Step 4: Simplify right side
    137,159.72x = 11,994,355,803.09
  5. Step 5: Solve for x
    x = 11,994,355,803.09/137,159.72
  6. Step 6: Final answer
    x = 87,448.09

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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.