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Finding the Fourth Proportional to 63,156.04, 87,157.86 and 34,860.76

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Solution

The fourth proportional to 63,156.04, 87,157.86 and 34,860.76 is: 48,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.04 : 87,157.86 = 34,860.76 : x
  2. Step 2: Convert to fraction form
    63,156.04/87,157.86 = 34,860.76/x
  3. Step 3: Cross multiply
    63,156.04x = 87,157.86 × 34,860.76
  4. Step 4: Simplify right side
    63,156.04x = 3,038,389,239.57
  5. Step 5: Solve for x
    x = 3,038,389,239.57/63,156.04
  6. Step 6: Final answer
    x = 48,109.24

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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.