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Finding the Fourth Proportional to 63,203.16, 87,220.42 and 34,908.84

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Solution

The fourth proportional to 63,203.16, 87,220.42 and 34,908.84 is: 48,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,203.16 : 87,220.42 = 34,908.84 : x
  2. Step 2: Convert to fraction form
    63,203.16/87,220.42 = 34,908.84/x
  3. Step 3: Cross multiply
    63,203.16x = 87,220.42 × 34,908.84
  4. Step 4: Simplify right side
    63,203.16x = 3,044,763,686.51
  5. Step 5: Solve for x
    x = 3,044,763,686.51/63,203.16
  6. Step 6: Final answer
    x = 48,174.23

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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.