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Finding the Fourth Proportional to 88,979.60, 133,501.80 and 36,426.80

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Solution

The fourth proportional to 88,979.60, 133,501.80 and 36,426.80 is: 54,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979.60 : 133,501.80 = 36,426.80 : x
  2. Step 2: Convert to fraction form
    88,979.60/133,501.80 = 36,426.80/x
  3. Step 3: Cross multiply
    88,979.60x = 133,501.80 × 36,426.80
  4. Step 4: Simplify right side
    88,979.60x = 4,863,043,368.24
  5. Step 5: Solve for x
    x = 4,863,043,368.24/88,979.60
  6. Step 6: Final answer
    x = 54,653.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.