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Finding the Fourth Proportional to 295,033.52, 442,538.84 and 84,671.46

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Solution

The fourth proportional to 295,033.52, 442,538.84 and 84,671.46 is: 127,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,033.52 : 442,538.84 = 84,671.46 : x
  2. Step 2: Convert to fraction form
    295,033.52/442,538.84 = 84,671.46/x
  3. Step 3: Cross multiply
    295,033.52x = 442,538.84 × 84,671.46
  4. Step 4: Simplify right side
    295,033.52x = 37,470,409,901.19
  5. Step 5: Solve for x
    x = 37,470,409,901.19/295,033.52
  6. Step 6: Final answer
    x = 127,003.91

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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.