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Finding the Fourth Proportional to 70,719.85, 97,596.95 and 43,871.01

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Solution

The fourth proportional to 70,719.85, 97,596.95 and 43,871.01 is: 60,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,719.85 : 97,596.95 = 43,871.01 : x
  2. Step 2: Convert to fraction form
    70,719.85/97,596.95 = 43,871.01/x
  3. Step 3: Cross multiply
    70,719.85x = 97,596.95 × 43,871.01
  4. Step 4: Simplify right side
    70,719.85x = 4,281,676,184.08
  5. Step 5: Solve for x
    x = 4,281,676,184.08/70,719.85
  6. Step 6: Final answer
    x = 60,544.19

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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.