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Finding the Fourth Proportional to 69,486.17, 104,368.71 and 41,460.91

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Solution

The fourth proportional to 69,486.17, 104,368.71 and 41,460.91 is: 62,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.17 : 104,368.71 = 41,460.91 : x
  2. Step 2: Convert to fraction form
    69,486.17/104,368.71 = 41,460.91/x
  3. Step 3: Cross multiply
    69,486.17x = 104,368.71 × 41,460.91
  4. Step 4: Simplify right side
    69,486.17x = 4,327,221,588.47
  5. Step 5: Solve for x
    x = 4,327,221,588.47/69,486.17
  6. Step 6: Final answer
    x = 62,274.58

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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.