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Finding the Fourth Proportional to 241,243.95, 361,866.86 and 100,904.13

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Solution

The fourth proportional to 241,243.95, 361,866.86 and 100,904.13 is: 151,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,243.95 : 361,866.86 = 100,904.13 : x
  2. Step 2: Convert to fraction form
    241,243.95/361,866.86 = 100,904.13/x
  3. Step 3: Cross multiply
    241,243.95x = 361,866.86 × 100,904.13
  4. Step 4: Simplify right side
    241,243.95x = 36,513,860,179.61
  5. Step 5: Solve for x
    x = 36,513,860,179.61/241,243.95
  6. Step 6: Final answer
    x = 151,356.58

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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.