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Finding the Fourth Proportional to 251,166.79, 346,608.76 and 136,444.44

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Solution

The fourth proportional to 251,166.79, 346,608.76 and 136,444.44 is: 188,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,166.79 : 346,608.76 = 136,444.44 : x
  2. Step 2: Convert to fraction form
    251,166.79/346,608.76 = 136,444.44/x
  3. Step 3: Cross multiply
    251,166.79x = 346,608.76 × 136,444.44
  4. Step 4: Simplify right side
    251,166.79x = 47,292,838,157.29
  5. Step 5: Solve for x
    x = 47,292,838,157.29/251,166.79
  6. Step 6: Final answer
    x = 188,292.56

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1.5x scale

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.