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Finding the Fourth Proportional to 66,522, 99,829.88 and 60,169.72

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Solution

The fourth proportional to 66,522, 99,829.88 and 60,169.72 is: 90,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522 : 99,829.88 = 60,169.72 : x
  2. Step 2: Convert to fraction form
    66,522/99,829.88 = 60,169.72/x
  3. Step 3: Cross multiply
    66,522x = 99,829.88 × 60,169.72
  4. Step 4: Simplify right side
    66,522x = 6,006,735,927.23
  5. Step 5: Solve for x
    x = 6,006,735,927.23/66,522
  6. Step 6: Final answer
    x = 90,296.98

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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.