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Finding the Fourth Proportional to 96,003.64, 144,035.88 and 39,870.64

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Solution

The fourth proportional to 96,003.64, 144,035.88 and 39,870.64 is: 59,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,003.64 : 144,035.88 = 39,870.64 : x
  2. Step 2: Convert to fraction form
    96,003.64/144,035.88 = 39,870.64/x
  3. Step 3: Cross multiply
    96,003.64x = 144,035.88 × 39,870.64
  4. Step 4: Simplify right side
    96,003.64x = 5,742,802,718.56
  5. Step 5: Solve for x
    x = 5,742,802,718.56/96,003.64
  6. Step 6: Final answer
    x = 59,818.59

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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.