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Finding the Fourth Proportional to 224,736.68, 310,124.75 and 122,760.66

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Solution

The fourth proportional to 224,736.68, 310,124.75 and 122,760.66 is: 169,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,736.68 : 310,124.75 = 122,760.66 : x
  2. Step 2: Convert to fraction form
    224,736.68/310,124.75 = 122,760.66/x
  3. Step 3: Cross multiply
    224,736.68x = 310,124.75 × 122,760.66
  4. Step 4: Simplify right side
    224,736.68x = 38,071,118,378.53
  5. Step 5: Solve for x
    x = 38,071,118,378.53/224,736.68
  6. Step 6: Final answer
    x = 169,403.23

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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.