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Finding the Fourth Proportional to 242,035.40, 363,053.10 and 137,059.40

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Solution

The fourth proportional to 242,035.40, 363,053.10 and 137,059.40 is: 205,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,035.40 : 363,053.10 = 137,059.40 : x
  2. Step 2: Convert to fraction form
    242,035.40/363,053.10 = 137,059.40/x
  3. Step 3: Cross multiply
    242,035.40x = 363,053.10 × 137,059.40
  4. Step 4: Simplify right side
    242,035.40x = 49,759,840,054.14
  5. Step 5: Solve for x
    x = 49,759,840,054.14/242,035.40
  6. Step 6: Final answer
    x = 205,589.10

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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.