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Finding the Fourth Proportional to 88,710.40, 133,065.60 and 44,270.72

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Solution

The fourth proportional to 88,710.40, 133,065.60 and 44,270.72 is: 66,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.40 : 133,065.60 = 44,270.72 : x
  2. Step 2: Convert to fraction form
    88,710.40/133,065.60 = 44,270.72/x
  3. Step 3: Cross multiply
    88,710.40x = 133,065.60 × 44,270.72
  4. Step 4: Simplify right side
    88,710.40x = 5,890,909,919.23
  5. Step 5: Solve for x
    x = 5,890,909,919.23/88,710.40
  6. Step 6: Final answer
    x = 66,406.08

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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.