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Finding the Fourth Proportional to 226,585.52, 312,696 and 124,615.20

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Solution

The fourth proportional to 226,585.52, 312,696 and 124,615.20 is: 171,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,585.52 : 312,696 = 124,615.20 : x
  2. Step 2: Convert to fraction form
    226,585.52/312,696 = 124,615.20/x
  3. Step 3: Cross multiply
    226,585.52x = 312,696 × 124,615.20
  4. Step 4: Simplify right side
    226,585.52x = 38,966,674,579.20
  5. Step 5: Solve for x
    x = 38,966,674,579.20/226,585.52
  6. Step 6: Final answer
    x = 171,973.37

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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.