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Finding the Fourth Proportional to 59,772.60, 89,731.80 and 59,335.20

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Solution

The fourth proportional to 59,772.60, 89,731.80 and 59,335.20 is: 89,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,772.60 : 89,731.80 = 59,335.20 : x
  2. Step 2: Convert to fraction form
    59,772.60/89,731.80 = 59,335.20/x
  3. Step 3: Cross multiply
    59,772.60x = 89,731.80 × 59,335.20
  4. Step 4: Simplify right side
    59,772.60x = 5,324,254,299.36
  5. Step 5: Solve for x
    x = 5,324,254,299.36/59,772.60
  6. Step 6: Final answer
    x = 89,075.17

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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.