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Finding the Fourth Proportional to 106,602.78, 147,112.56 and 58,859.22

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Solution

The fourth proportional to 106,602.78, 147,112.56 and 58,859.22 is: 81,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,602.78 : 147,112.56 = 58,859.22 : x
  2. Step 2: Convert to fraction form
    106,602.78/147,112.56 = 58,859.22/x
  3. Step 3: Cross multiply
    106,602.78x = 147,112.56 × 58,859.22
  4. Step 4: Simplify right side
    106,602.78x = 8,658,930,533.80
  5. Step 5: Solve for x
    x = 8,658,930,533.80/106,602.78
  6. Step 6: Final answer
    x = 81,226.12

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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.