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Finding the Fourth Proportional to 103,462.60, 155,157.45 and 36,904.90

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Solution

The fourth proportional to 103,462.60, 155,157.45 and 36,904.90 is: 55,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.60 : 155,157.45 = 36,904.90 : x
  2. Step 2: Convert to fraction form
    103,462.60/155,157.45 = 36,904.90/x
  3. Step 3: Cross multiply
    103,462.60x = 155,157.45 × 36,904.90
  4. Step 4: Simplify right side
    103,462.60x = 5,726,070,176.51
  5. Step 5: Solve for x
    x = 5,726,070,176.51/103,462.60
  6. Step 6: Final answer
    x = 55,344.35

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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.