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Finding the Fourth Proportional to 118,593.96, 163,641.80 and 67,611.12

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Solution

The fourth proportional to 118,593.96, 163,641.80 and 67,611.12 is: 93,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,593.96 : 163,641.80 = 67,611.12 : x
  2. Step 2: Convert to fraction form
    118,593.96/163,641.80 = 67,611.12/x
  3. Step 3: Cross multiply
    118,593.96x = 163,641.80 × 67,611.12
  4. Step 4: Simplify right side
    118,593.96x = 11,064,005,376.82
  5. Step 5: Solve for x
    x = 11,064,005,376.82/118,593.96
  6. Step 6: Final answer
    x = 93,293.16

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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.