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Finding the Fourth Proportional to 153,550.88, 211,787.42 and 101,774.34

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Solution

The fourth proportional to 153,550.88, 211,787.42 and 101,774.34 is: 140,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,550.88 : 211,787.42 = 101,774.34 : x
  2. Step 2: Convert to fraction form
    153,550.88/211,787.42 = 101,774.34/x
  3. Step 3: Cross multiply
    153,550.88x = 211,787.42 × 101,774.34
  4. Step 4: Simplify right side
    153,550.88x = 21,554,524,381.93
  5. Step 5: Solve for x
    x = 21,554,524,381.93/153,550.88
  6. Step 6: Final answer
    x = 140,373.83

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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.