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Finding the Fourth Proportional to 224,886.92, 310,335.53 and 122,911.55

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Solution

The fourth proportional to 224,886.92, 310,335.53 and 122,911.55 is: 169,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,886.92 : 310,335.53 = 122,911.55 : x
  2. Step 2: Convert to fraction form
    224,886.92/310,335.53 = 122,911.55/x
  3. Step 3: Cross multiply
    224,886.92x = 310,335.53 × 122,911.55
  4. Step 4: Simplify right side
    224,886.92x = 38,143,821,228.40
  5. Step 5: Solve for x
    x = 38,143,821,228.40/224,886.92
  6. Step 6: Final answer
    x = 169,613.34

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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.