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Finding the Fourth Proportional to 226,119, 312,044.22 and 125,526.36

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Solution

The fourth proportional to 226,119, 312,044.22 and 125,526.36 is: 173,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,119 : 312,044.22 = 125,526.36 : x
  2. Step 2: Convert to fraction form
    226,119/312,044.22 = 125,526.36/x
  3. Step 3: Cross multiply
    226,119x = 312,044.22 × 125,526.36
  4. Step 4: Simplify right side
    226,119x = 39,169,775,095.64
  5. Step 5: Solve for x
    x = 39,169,775,095.64/226,119
  6. Step 6: Final answer
    x = 173,226.38

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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.