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Finding the Fourth Proportional to 171,451, 236,547.71 and 111,067.94

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Solution

The fourth proportional to 171,451, 236,547.71 and 111,067.94 is: 153,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,451 : 236,547.71 = 111,067.94 : x
  2. Step 2: Convert to fraction form
    171,451/236,547.71 = 111,067.94/x
  3. Step 3: Cross multiply
    171,451x = 236,547.71 × 111,067.94
  4. Step 4: Simplify right side
    171,451x = 26,272,866,861.42
  5. Step 5: Solve for x
    x = 26,272,866,861.42/171,451
  6. Step 6: Final answer
    x = 153,238.34

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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.