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Finding the Fourth Proportional to 77,905.44, 116,875.44 and 36,329.76

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Solution

The fourth proportional to 77,905.44, 116,875.44 and 36,329.76 is: 54,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,905.44 : 116,875.44 = 36,329.76 : x
  2. Step 2: Convert to fraction form
    77,905.44/116,875.44 = 36,329.76/x
  3. Step 3: Cross multiply
    77,905.44x = 116,875.44 × 36,329.76
  4. Step 4: Simplify right side
    77,905.44x = 4,246,056,685.09
  5. Step 5: Solve for x
    x = 4,246,056,685.09/77,905.44
  6. Step 6: Final answer
    x = 54,502.70

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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.