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Finding the Fourth Proportional to 94,871.60, 142,314.60 and 28,306.52

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Solution

The fourth proportional to 94,871.60, 142,314.60 and 28,306.52 is: 42,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,871.60 : 142,314.60 = 28,306.52 : x
  2. Step 2: Convert to fraction form
    94,871.60/142,314.60 = 28,306.52/x
  3. Step 3: Cross multiply
    94,871.60x = 142,314.60 × 28,306.52
  4. Step 4: Simplify right side
    94,871.60x = 4,028,431,071.19
  5. Step 5: Solve for x
    x = 4,028,431,071.19/94,871.60
  6. Step 6: Final answer
    x = 42,461.93

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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.