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Finding the Fourth Proportional to 58,782.20, 88,173.30 and 57,907.40

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Solution

The fourth proportional to 58,782.20, 88,173.30 and 57,907.40 is: 86,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,782.20 : 88,173.30 = 57,907.40 : x
  2. Step 2: Convert to fraction form
    58,782.20/88,173.30 = 57,907.40/x
  3. Step 3: Cross multiply
    58,782.20x = 88,173.30 × 57,907.40
  4. Step 4: Simplify right side
    58,782.20x = 5,105,886,552.42
  5. Step 5: Solve for x
    x = 5,105,886,552.42/58,782.20
  6. Step 6: Final answer
    x = 86,861.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.