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Finding the Fourth Proportional to 242,483.15, 363,724.70 and 74,004.35

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Solution

The fourth proportional to 242,483.15, 363,724.70 and 74,004.35 is: 111,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,483.15 : 363,724.70 = 74,004.35 : x
  2. Step 2: Convert to fraction form
    242,483.15/363,724.70 = 74,004.35/x
  3. Step 3: Cross multiply
    242,483.15x = 363,724.70 × 74,004.35
  4. Step 4: Simplify right side
    242,483.15x = 26,917,207,813.80
  5. Step 5: Solve for x
    x = 26,917,207,813.80/242,483.15
  6. Step 6: Final answer
    x = 111,006.51

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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.