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Finding the Fourth Proportional to 100,895.60, 151,051.80 and 61,529.60

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Solution

The fourth proportional to 100,895.60, 151,051.80 and 61,529.60 is: 92,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,895.60 : 151,051.80 = 61,529.60 : x
  2. Step 2: Convert to fraction form
    100,895.60/151,051.80 = 61,529.60/x
  3. Step 3: Cross multiply
    100,895.60x = 151,051.80 × 61,529.60
  4. Step 4: Simplify right side
    100,895.60x = 9,294,156,833.28
  5. Step 5: Solve for x
    x = 9,294,156,833.28/100,895.60
  6. Step 6: Final answer
    x = 92,116.57

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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.