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Finding the Fourth Proportional to 226,354.44, 312,369.03 and 124,386.48

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Solution

The fourth proportional to 226,354.44, 312,369.03 and 124,386.48 is: 171,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,354.44 : 312,369.03 = 124,386.48 : x
  2. Step 2: Convert to fraction form
    226,354.44/312,369.03 = 124,386.48/x
  3. Step 3: Cross multiply
    226,354.44x = 312,369.03 × 124,386.48
  4. Step 4: Simplify right side
    226,354.44x = 38,854,484,102.71
  5. Step 5: Solve for x
    x = 38,854,484,102.71/226,354.44
  6. Step 6: Final answer
    x = 171,653.29

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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.