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Finding the Fourth Proportional to 84,199.93, 126,320.82 and 25,035.51

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Solution

The fourth proportional to 84,199.93, 126,320.82 and 25,035.51 is: 37,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199.93 : 126,320.82 = 25,035.51 : x
  2. Step 2: Convert to fraction form
    84,199.93/126,320.82 = 25,035.51/x
  3. Step 3: Cross multiply
    84,199.93x = 126,320.82 × 25,035.51
  4. Step 4: Simplify right side
    84,199.93x = 3,162,506,152.32
  5. Step 5: Solve for x
    x = 3,162,506,152.32/84,199.93
  6. Step 6: Final answer
    x = 37,559.49

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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.