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Finding the Fourth Proportional to 228,112.68, 314,794.90 and 124,746.92

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Solution

The fourth proportional to 228,112.68, 314,794.90 and 124,746.92 is: 172,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,112.68 : 314,794.90 = 124,746.92 : x
  2. Step 2: Convert to fraction form
    228,112.68/314,794.90 = 124,746.92/x
  3. Step 3: Cross multiply
    228,112.68x = 314,794.90 × 124,746.92
  4. Step 4: Simplify right side
    228,112.68x = 39,269,694,206.71
  5. Step 5: Solve for x
    x = 39,269,694,206.71/228,112.68
  6. Step 6: Final answer
    x = 172,150.42

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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.