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Finding the Fourth Proportional to 106,641.36, 147,168.36 and 58,897.80

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Solution

The fourth proportional to 106,641.36, 147,168.36 and 58,897.80 is: 81,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,641.36 : 147,168.36 = 58,897.80 : x
  2. Step 2: Convert to fraction form
    106,641.36/147,168.36 = 58,897.80/x
  3. Step 3: Cross multiply
    106,641.36x = 147,168.36 × 58,897.80
  4. Step 4: Simplify right side
    106,641.36x = 8,667,892,633.61
  5. Step 5: Solve for x
    x = 8,667,892,633.61/106,641.36
  6. Step 6: Final answer
    x = 81,280.78

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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.