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Finding the Fourth Proportional to 224,841.40, 310,280.49 and 122,867.51

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Solution

The fourth proportional to 224,841.40, 310,280.49 and 122,867.51 is: 169,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,841.40 : 310,280.49 = 122,867.51 : x
  2. Step 2: Convert to fraction form
    224,841.40/310,280.49 = 122,867.51/x
  3. Step 3: Cross multiply
    224,841.40x = 310,280.49 × 122,867.51
  4. Step 4: Simplify right side
    224,841.40x = 38,123,389,656.48
  5. Step 5: Solve for x
    x = 38,123,389,656.48/224,841.40
  6. Step 6: Final answer
    x = 169,556.81

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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.