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Finding the Fourth Proportional to 242,406.91, 363,582.55 and 92,643.87

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Solution

The fourth proportional to 242,406.91, 363,582.55 and 92,643.87 is: 138,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,406.91 : 363,582.55 = 92,643.87 : x
  2. Step 2: Convert to fraction form
    242,406.91/363,582.55 = 92,643.87/x
  3. Step 3: Cross multiply
    242,406.91x = 363,582.55 × 92,643.87
  4. Step 4: Simplify right side
    242,406.91x = 33,683,694,496.47
  5. Step 5: Solve for x
    x = 33,683,694,496.47/242,406.91
  6. Step 6: Final answer
    x = 138,955.17

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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.