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Finding the Fourth Proportional to 226,300.62, 312,300.36 and 124,332.68

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Solution

The fourth proportional to 226,300.62, 312,300.36 and 124,332.68 is: 171,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,300.62 : 312,300.36 = 124,332.68 : x
  2. Step 2: Convert to fraction form
    226,300.62/312,300.36 = 124,332.68/x
  3. Step 3: Cross multiply
    226,300.62x = 312,300.36 × 124,332.68
  4. Step 4: Simplify right side
    226,300.62x = 38,829,141,504.52
  5. Step 5: Solve for x
    x = 38,829,141,504.52/226,300.62
  6. Step 6: Final answer
    x = 171,582.12

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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.