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Finding the Fourth Proportional to 117,398.25, 162,009.59 and 67,098.33

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Solution

The fourth proportional to 117,398.25, 162,009.59 and 67,098.33 is: 92,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,398.25 : 162,009.59 = 67,098.33 : x
  2. Step 2: Convert to fraction form
    117,398.25/162,009.59 = 67,098.33/x
  3. Step 3: Cross multiply
    117,398.25x = 162,009.59 × 67,098.33
  4. Step 4: Simplify right side
    117,398.25x = 10,870,572,597.49
  5. Step 5: Solve for x
    x = 10,870,572,597.49/117,398.25
  6. Step 6: Final answer
    x = 92,595.70

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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.