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Finding the Fourth Proportional to 118,482.60, 163,502.94 and 64,766.04

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Solution

The fourth proportional to 118,482.60, 163,502.94 and 64,766.04 is: 89,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.60 : 163,502.94 = 64,766.04 : x
  2. Step 2: Convert to fraction form
    118,482.60/163,502.94 = 64,766.04/x
  3. Step 3: Cross multiply
    118,482.60x = 163,502.94 × 64,766.04
  4. Step 4: Simplify right side
    118,482.60x = 10,589,437,952.16
  5. Step 5: Solve for x
    x = 10,589,437,952.16/118,482.60
  6. Step 6: Final answer
    x = 89,375.47

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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.