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Finding the Fourth Proportional to 70,871.40, 97,768.44 and 44,005.32

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Solution

The fourth proportional to 70,871.40, 97,768.44 and 44,005.32 is: 60,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,871.40 : 97,768.44 = 44,005.32 : x
  2. Step 2: Convert to fraction form
    70,871.40/97,768.44 = 44,005.32/x
  3. Step 3: Cross multiply
    70,871.40x = 97,768.44 × 44,005.32
  4. Step 4: Simplify right side
    70,871.40x = 4,302,331,488.10
  5. Step 5: Solve for x
    x = 4,302,331,488.10/70,871.40
  6. Step 6: Final answer
    x = 60,706.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.