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Finding the Fourth Proportional to 118,522.56, 163,594.08 and 68,237.76

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Solution

The fourth proportional to 118,522.56, 163,594.08 and 68,237.76 is: 94,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,522.56 : 163,594.08 = 68,237.76 : x
  2. Step 2: Convert to fraction form
    118,522.56/163,594.08 = 68,237.76/x
  3. Step 3: Cross multiply
    118,522.56x = 163,594.08 × 68,237.76
  4. Step 4: Simplify right side
    118,522.56x = 11,163,293,568.46
  5. Step 5: Solve for x
    x = 11,163,293,568.46/118,522.56
  6. Step 6: Final answer
    x = 94,187.08

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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.