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Finding the Fourth Proportional to 235,046.06, 352,612.83 and 77,280.74

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Solution

The fourth proportional to 235,046.06, 352,612.83 and 77,280.74 is: 115,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,046.06 : 352,612.83 = 77,280.74 : x
  2. Step 2: Convert to fraction form
    235,046.06/352,612.83 = 77,280.74/x
  3. Step 3: Cross multiply
    235,046.06x = 352,612.83 × 77,280.74
  4. Step 4: Simplify right side
    235,046.06x = 27,250,180,435.89
  5. Step 5: Solve for x
    x = 27,250,180,435.89/235,046.06
  6. Step 6: Final answer
    x = 115,935.49

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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.