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Finding the Fourth Proportional to 224,801.50, 310,222.40 and 122,824.76

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Solution

The fourth proportional to 224,801.50, 310,222.40 and 122,824.76 is: 169,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,801.50 : 310,222.40 = 122,824.76 : x
  2. Step 2: Convert to fraction form
    224,801.50/310,222.40 = 122,824.76/x
  3. Step 3: Cross multiply
    224,801.50x = 310,222.40 × 122,824.76
  4. Step 4: Simplify right side
    224,801.50x = 38,102,991,826.62
  5. Step 5: Solve for x
    x = 38,102,991,826.62/224,801.50
  6. Step 6: Final answer
    x = 169,496.16

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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.