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Finding the Fourth Proportional to 172,535.88, 236,827.48 and 153,251.40

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Solution

The fourth proportional to 172,535.88, 236,827.48 and 153,251.40 is: 210,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,535.88 : 236,827.48 = 153,251.40 : x
  2. Step 2: Convert to fraction form
    172,535.88/236,827.48 = 153,251.40/x
  3. Step 3: Cross multiply
    172,535.88x = 236,827.48 × 153,251.40
  4. Step 4: Simplify right side
    172,535.88x = 36,294,142,868.47
  5. Step 5: Solve for x
    x = 36,294,142,868.47/172,535.88
  6. Step 6: Final answer
    x = 210,357.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.