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Finding the Fourth Proportional to 500,841.10, 751,250.69 and 121,763.84

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Solution

The fourth proportional to 500,841.10, 751,250.69 and 121,763.84 is: 182,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,841.10 : 751,250.69 = 121,763.84 : x
  2. Step 2: Convert to fraction form
    500,841.10/751,250.69 = 121,763.84/x
  3. Step 3: Cross multiply
    500,841.10x = 751,250.69 × 121,763.84
  4. Step 4: Simplify right side
    500,841.10x = 91,475,168,208.23
  5. Step 5: Solve for x
    x = 91,475,168,208.23/500,841.10
  6. Step 6: Final answer
    x = 182,643.10

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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.