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Finding the Fourth Proportional to 169,847.94, 234,395.40 and 93,372.88

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Solution

The fourth proportional to 169,847.94, 234,395.40 and 93,372.88 is: 128,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,847.94 : 234,395.40 = 93,372.88 : x
  2. Step 2: Convert to fraction form
    169,847.94/234,395.40 = 93,372.88/x
  3. Step 3: Cross multiply
    169,847.94x = 234,395.40 × 93,372.88
  4. Step 4: Simplify right side
    169,847.94x = 21,886,172,313.33
  5. Step 5: Solve for x
    x = 21,886,172,313.33/169,847.94
  6. Step 6: Final answer
    x = 128,857.45

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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.