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Finding the Fourth Proportional to 157,959.60, 236,478.60 and 141,370.80

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Solution

The fourth proportional to 157,959.60, 236,478.60 and 141,370.80 is: 211,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,959.60 : 236,478.60 = 141,370.80 : x
  2. Step 2: Convert to fraction form
    157,959.60/236,478.60 = 141,370.80/x
  3. Step 3: Cross multiply
    157,959.60x = 236,478.60 × 141,370.80
  4. Step 4: Simplify right side
    157,959.60x = 33,431,168,864.88
  5. Step 5: Solve for x
    x = 33,431,168,864.88/157,959.60
  6. Step 6: Final answer
    x = 211,643.79

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1.5x scale

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.