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Finding the Fourth Proportional to 106,803.97, 147,390.44 and 59,060.54

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Solution

The fourth proportional to 106,803.97, 147,390.44 and 59,060.54 is: 81,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,803.97 : 147,390.44 = 59,060.54 : x
  2. Step 2: Convert to fraction form
    106,803.97/147,390.44 = 59,060.54/x
  3. Step 3: Cross multiply
    106,803.97x = 147,390.44 × 59,060.54
  4. Step 4: Simplify right side
    106,803.97x = 8,704,959,050.41
  5. Step 5: Solve for x
    x = 8,704,959,050.41/106,803.97
  6. Step 6: Final answer
    x = 81,504.08

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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.