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Finding the Fourth Proportional to 59,300.80, 88,999.80 and 57,356.80

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Solution

The fourth proportional to 59,300.80, 88,999.80 and 57,356.80 is: 86,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,300.80 : 88,999.80 = 57,356.80 : x
  2. Step 2: Convert to fraction form
    59,300.80/88,999.80 = 57,356.80/x
  3. Step 3: Cross multiply
    59,300.80x = 88,999.80 × 57,356.80
  4. Step 4: Simplify right side
    59,300.80x = 5,104,743,728.64
  5. Step 5: Solve for x
    x = 5,104,743,728.64/59,300.80
  6. Step 6: Final answer
    x = 86,082.21

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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.