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Finding the Fourth Proportional to 169,918.77, 234,493.80 and 93,441

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Solution

The fourth proportional to 169,918.77, 234,493.80 and 93,441 is: 128,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,918.77 : 234,493.80 = 93,441 : x
  2. Step 2: Convert to fraction form
    169,918.77/234,493.80 = 93,441/x
  3. Step 3: Cross multiply
    169,918.77x = 234,493.80 × 93,441
  4. Step 4: Simplify right side
    169,918.77x = 21,911,335,165.80
  5. Step 5: Solve for x
    x = 21,911,335,165.80/169,918.77
  6. Step 6: Final answer
    x = 128,951.82

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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.