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Finding the Fourth Proportional to 211,759.62, 292,228.46 and 114,963.40

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Solution

The fourth proportional to 211,759.62, 292,228.46 and 114,963.40 is: 158,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,759.62 : 292,228.46 = 114,963.40 : x
  2. Step 2: Convert to fraction form
    211,759.62/292,228.46 = 114,963.40/x
  3. Step 3: Cross multiply
    211,759.62x = 292,228.46 × 114,963.40
  4. Step 4: Simplify right side
    211,759.62x = 33,595,577,559.95
  5. Step 5: Solve for x
    x = 33,595,577,559.95/211,759.62
  6. Step 6: Final answer
    x = 158,649.60

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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.