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Finding the Fourth Proportional to 70,476.77, 105,692.58 and 23,079.02

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Solution

The fourth proportional to 70,476.77, 105,692.58 and 23,079.02 is: 34,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,476.77 : 105,692.58 = 23,079.02 : x
  2. Step 2: Convert to fraction form
    70,476.77/105,692.58 = 23,079.02/x
  3. Step 3: Cross multiply
    70,476.77x = 105,692.58 × 23,079.02
  4. Step 4: Simplify right side
    70,476.77x = 2,439,280,639.21
  5. Step 5: Solve for x
    x = 2,439,280,639.21/70,476.77
  6. Step 6: Final answer
    x = 34,611.13

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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.