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Finding the Fourth Proportional to 250,070.50, 345,097.56 and 136,893.52

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Solution

The fourth proportional to 250,070.50, 345,097.56 and 136,893.52 is: 188,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,070.50 : 345,097.56 = 136,893.52 : x
  2. Step 2: Convert to fraction form
    250,070.50/345,097.56 = 136,893.52/x
  3. Step 3: Cross multiply
    250,070.50x = 345,097.56 × 136,893.52
  4. Step 4: Simplify right side
    250,070.50x = 47,241,619,731.81
  5. Step 5: Solve for x
    x = 47,241,619,731.81/250,070.50
  6. Step 6: Final answer
    x = 188,913.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.