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Finding the Fourth Proportional to 110,661.43, 152,702.52 and 62,905.45

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Solution

The fourth proportional to 110,661.43, 152,702.52 and 62,905.45 is: 86,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,661.43 : 152,702.52 = 62,905.45 : x
  2. Step 2: Convert to fraction form
    110,661.43/152,702.52 = 62,905.45/x
  3. Step 3: Cross multiply
    110,661.43x = 152,702.52 × 62,905.45
  4. Step 4: Simplify right side
    110,661.43x = 9,605,820,736.73
  5. Step 5: Solve for x
    x = 9,605,820,736.73/110,661.43
  6. Step 6: Final answer
    x = 86,803.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.