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Finding the Fourth Proportional to 107,055.60, 147,745.80 and 59,323.92

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Solution

The fourth proportional to 107,055.60, 147,745.80 and 59,323.92 is: 81,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,055.60 : 147,745.80 = 59,323.92 : x
  2. Step 2: Convert to fraction form
    107,055.60/147,745.80 = 59,323.92/x
  3. Step 3: Cross multiply
    107,055.60x = 147,745.80 × 59,323.92
  4. Step 4: Simplify right side
    107,055.60x = 8,764,860,019.54
  5. Step 5: Solve for x
    x = 8,764,860,019.54/107,055.60
  6. Step 6: Final answer
    x = 81,872.04

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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.