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Finding the Fourth Proportional to 83,065.44, 124,617.84 and 33,148.32

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Solution

The fourth proportional to 83,065.44, 124,617.84 and 33,148.32 is: 49,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,065.44 : 124,617.84 = 33,148.32 : x
  2. Step 2: Convert to fraction form
    83,065.44/124,617.84 = 33,148.32/x
  3. Step 3: Cross multiply
    83,065.44x = 124,617.84 × 33,148.32
  4. Step 4: Simplify right side
    83,065.44x = 4,130,872,038.03
  5. Step 5: Solve for x
    x = 4,130,872,038.03/83,065.44
  6. Step 6: Final answer
    x = 49,730.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.