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Finding the Fourth Proportional to 107,148.15, 147,866.24 and 58,749.08

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Solution

The fourth proportional to 107,148.15, 147,866.24 and 58,749.08 is: 81,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,148.15 : 147,866.24 = 58,749.08 : x
  2. Step 2: Convert to fraction form
    107,148.15/147,866.24 = 58,749.08/x
  3. Step 3: Cross multiply
    107,148.15x = 147,866.24 × 58,749.08
  4. Step 4: Simplify right side
    107,148.15x = 8,687,004,970.60
  5. Step 5: Solve for x
    x = 8,687,004,970.60/107,148.15
  6. Step 6: Final answer
    x = 81,074.71

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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.