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Finding the Fourth Proportional to 242,291.24, 363,497.34 and 84,521

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Solution

The fourth proportional to 242,291.24, 363,497.34 and 84,521 is: 126,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,291.24 : 363,497.34 = 84,521 : x
  2. Step 2: Convert to fraction form
    242,291.24/363,497.34 = 84,521/x
  3. Step 3: Cross multiply
    242,291.24x = 363,497.34 × 84,521
  4. Step 4: Simplify right side
    242,291.24x = 30,723,158,674.14
  5. Step 5: Solve for x
    x = 30,723,158,674.14/242,291.24
  6. Step 6: Final answer
    x = 126,802.60

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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.