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Finding the Fourth Proportional to 211,680.59, 292,218.59 and 141,948.59

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Solution

The fourth proportional to 211,680.59, 292,218.59 and 141,948.59 is: 195,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,680.59 : 292,218.59 = 141,948.59 : x
  2. Step 2: Convert to fraction form
    211,680.59/292,218.59 = 141,948.59/x
  3. Step 3: Cross multiply
    211,680.59x = 292,218.59 × 141,948.59
  4. Step 4: Simplify right side
    211,680.59x = 41,480,015,716.07
  5. Step 5: Solve for x
    x = 41,480,015,716.07/211,680.59
  6. Step 6: Final answer
    x = 195,955.69

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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.