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Finding the Fourth Proportional to 114,443.40, 171,665.10 and 104,305.80

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Solution

The fourth proportional to 114,443.40, 171,665.10 and 104,305.80 is: 156,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,443.40 : 171,665.10 = 104,305.80 : x
  2. Step 2: Convert to fraction form
    114,443.40/171,665.10 = 104,305.80/x
  3. Step 3: Cross multiply
    114,443.40x = 171,665.10 × 104,305.80
  4. Step 4: Simplify right side
    114,443.40x = 17,905,665,587.58
  5. Step 5: Solve for x
    x = 17,905,665,587.58/114,443.40
  6. Step 6: Final answer
    x = 156,458.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.