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Finding the Fourth Proportional to 251,220.59, 346,685.69 and 136,499.52

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Solution

The fourth proportional to 251,220.59, 346,685.69 and 136,499.52 is: 188,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,220.59 : 346,685.69 = 136,499.52 : x
  2. Step 2: Convert to fraction form
    251,220.59/346,685.69 = 136,499.52/x
  3. Step 3: Cross multiply
    251,220.59x = 346,685.69 × 136,499.52
  4. Step 4: Simplify right side
    251,220.59x = 47,322,430,275.87
  5. Step 5: Solve for x
    x = 47,322,430,275.87/251,220.59
  6. Step 6: Final answer
    x = 188,370.03

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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.