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Finding the Fourth Proportional to 225,973.94, 338,959.35 and 57,492.72

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Solution

The fourth proportional to 225,973.94, 338,959.35 and 57,492.72 is: 86,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,973.94 : 338,959.35 = 57,492.72 : x
  2. Step 2: Convert to fraction form
    225,973.94/338,959.35 = 57,492.72/x
  3. Step 3: Cross multiply
    225,973.94x = 338,959.35 × 57,492.72
  4. Step 4: Simplify right side
    225,973.94x = 19,487,695,000.93
  5. Step 5: Solve for x
    x = 19,487,695,000.93/225,973.94
  6. Step 6: Final answer
    x = 86,238.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.