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Finding the Fourth Proportional to 250,984.94, 346,359.65 and 136,263.60

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Solution

The fourth proportional to 250,984.94, 346,359.65 and 136,263.60 is: 188,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,984.94 : 346,359.65 = 136,263.60 : x
  2. Step 2: Convert to fraction form
    250,984.94/346,359.65 = 136,263.60/x
  3. Step 3: Cross multiply
    250,984.94x = 346,359.65 × 136,263.60
  4. Step 4: Simplify right side
    250,984.94x = 47,196,212,122.42
  5. Step 5: Solve for x
    x = 47,196,212,122.42/250,984.94
  6. Step 6: Final answer
    x = 188,044.00

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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.