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Finding the Fourth Proportional to 100,948.58, 151,446.66 and 56,605.94

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Solution

The fourth proportional to 100,948.58, 151,446.66 and 56,605.94 is: 84,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948.58 : 151,446.66 = 56,605.94 : x
  2. Step 2: Convert to fraction form
    100,948.58/151,446.66 = 56,605.94/x
  3. Step 3: Cross multiply
    100,948.58x = 151,446.66 × 56,605.94
  4. Step 4: Simplify right side
    100,948.58x = 8,572,780,465.99
  5. Step 5: Solve for x
    x = 8,572,780,465.99/100,948.58
  6. Step 6: Final answer
    x = 84,922.25

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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.