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Finding the Fourth Proportional to 99,453.72, 148,973.22 and 44,088.60

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Solution

The fourth proportional to 99,453.72, 148,973.22 and 44,088.60 is: 66,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,453.72 : 148,973.22 = 44,088.60 : x
  2. Step 2: Convert to fraction form
    99,453.72/148,973.22 = 44,088.60/x
  3. Step 3: Cross multiply
    99,453.72x = 148,973.22 × 44,088.60
  4. Step 4: Simplify right side
    99,453.72x = 6,568,020,707.29
  5. Step 5: Solve for x
    x = 6,568,020,707.29/99,453.72
  6. Step 6: Final answer
    x = 66,040.98

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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.