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Finding the Fourth Proportional to 224,639.75, 310,015.47 and 122,674.69

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Solution

The fourth proportional to 224,639.75, 310,015.47 and 122,674.69 is: 169,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,639.75 : 310,015.47 = 122,674.69 : x
  2. Step 2: Convert to fraction form
    224,639.75/310,015.47 = 122,674.69/x
  3. Step 3: Cross multiply
    224,639.75x = 310,015.47 × 122,674.69
  4. Step 4: Simplify right side
    224,639.75x = 38,031,051,677.45
  5. Step 5: Solve for x
    x = 38,031,051,677.45/224,639.75
  6. Step 6: Final answer
    x = 169,297.96

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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.