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Finding the Fourth Proportional to 153,552.33, 211,893.46 and 84,628.10

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Solution

The fourth proportional to 153,552.33, 211,893.46 and 84,628.10 is: 116,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,552.33 : 211,893.46 = 84,628.10 : x
  2. Step 2: Convert to fraction form
    153,552.33/211,893.46 = 84,628.10/x
  3. Step 3: Cross multiply
    153,552.33x = 211,893.46 × 84,628.10
  4. Step 4: Simplify right side
    153,552.33x = 17,932,141,240.39
  5. Step 5: Solve for x
    x = 17,932,141,240.39/153,552.33
  6. Step 6: Final answer
    x = 116,781.95

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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.