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Finding the Fourth Proportional to 107,079.40, 147,770.82 and 59,333.32

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Solution

The fourth proportional to 107,079.40, 147,770.82 and 59,333.32 is: 81,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.40 : 147,770.82 = 59,333.32 : x
  2. Step 2: Convert to fraction form
    107,079.40/147,770.82 = 59,333.32/x
  3. Step 3: Cross multiply
    107,079.40x = 147,770.82 × 59,333.32
  4. Step 4: Simplify right side
    107,079.40x = 8,767,733,349.72
  5. Step 5: Solve for x
    x = 8,767,733,349.72/107,079.40
  6. Step 6: Final answer
    x = 81,880.67

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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.