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Finding the Fourth Proportional to 159,175.58, 219,693.48 and 91,238.08

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Solution

The fourth proportional to 159,175.58, 219,693.48 and 91,238.08 is: 125,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,175.58 : 219,693.48 = 91,238.08 : x
  2. Step 2: Convert to fraction form
    159,175.58/219,693.48 = 91,238.08/x
  3. Step 3: Cross multiply
    159,175.58x = 219,693.48 × 91,238.08
  4. Step 4: Simplify right side
    159,175.58x = 20,044,411,303.72
  5. Step 5: Solve for x
    x = 20,044,411,303.72/159,175.58
  6. Step 6: Final answer
    x = 125,926.42

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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.