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Finding the Fourth Proportional to 94,866.59, 142,304.45 and 28,311.93

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Solution

The fourth proportional to 94,866.59, 142,304.45 and 28,311.93 is: 42,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,866.59 : 142,304.45 = 28,311.93 : x
  2. Step 2: Convert to fraction form
    94,866.59/142,304.45 = 28,311.93/x
  3. Step 3: Cross multiply
    94,866.59x = 142,304.45 × 28,311.93
  4. Step 4: Simplify right side
    94,866.59x = 4,028,913,485.53
  5. Step 5: Solve for x
    x = 4,028,913,485.53/94,866.59
  6. Step 6: Final answer
    x = 42,469.25

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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.