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Finding the Fourth Proportional to 63,161.04, 87,162.84 and 34,866.12

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Solution

The fourth proportional to 63,161.04, 87,162.84 and 34,866.12 is: 48,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,161.04 : 87,162.84 = 34,866.12 : x
  2. Step 2: Convert to fraction form
    63,161.04/87,162.84 = 34,866.12/x
  3. Step 3: Cross multiply
    63,161.04x = 87,162.84 × 34,866.12
  4. Step 4: Simplify right side
    63,161.04x = 3,039,030,038.98
  5. Step 5: Solve for x
    x = 3,039,030,038.98/63,161.04
  6. Step 6: Final answer
    x = 48,115.58

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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.