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Finding the Fourth Proportional to 107,345.44, 147,893.01 and 83,062.90

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Solution

The fourth proportional to 107,345.44, 147,893.01 and 83,062.90 is: 114,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,345.44 : 147,893.01 = 83,062.90 : x
  2. Step 2: Convert to fraction form
    107,345.44/147,893.01 = 83,062.90/x
  3. Step 3: Cross multiply
    107,345.44x = 147,893.01 × 83,062.90
  4. Step 4: Simplify right side
    107,345.44x = 12,284,422,173.71
  5. Step 5: Solve for x
    x = 12,284,422,173.71/107,345.44
  6. Step 6: Final answer
    x = 114,438.23

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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.