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Finding the Fourth Proportional to 145,671.16, 218,467.84 and 40,495.92

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Solution

The fourth proportional to 145,671.16, 218,467.84 and 40,495.92 is: 60,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,671.16 : 218,467.84 = 40,495.92 : x
  2. Step 2: Convert to fraction form
    145,671.16/218,467.84 = 40,495.92/x
  3. Step 3: Cross multiply
    145,671.16x = 218,467.84 × 40,495.92
  4. Step 4: Simplify right side
    145,671.16x = 8,847,056,171.21
  5. Step 5: Solve for x
    x = 8,847,056,171.21/145,671.16
  6. Step 6: Final answer
    x = 60,733.07

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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.