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Finding the Fourth Proportional to 169,811.66, 234,342.24 and 93,339.12

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Solution

The fourth proportional to 169,811.66, 234,342.24 and 93,339.12 is: 128,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,811.66 : 234,342.24 = 93,339.12 : x
  2. Step 2: Convert to fraction form
    169,811.66/234,342.24 = 93,339.12/x
  3. Step 3: Cross multiply
    169,811.66x = 234,342.24 × 93,339.12
  4. Step 4: Simplify right side
    169,811.66x = 21,873,298,460.43
  5. Step 5: Solve for x
    x = 21,873,298,460.43/169,811.66
  6. Step 6: Final answer
    x = 128,809.17

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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.