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Finding the Fourth Proportional to 149,073.16, 223,532.70 and 43,878.52

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Solution

The fourth proportional to 149,073.16, 223,532.70 and 43,878.52 is: 65,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,073.16 : 223,532.70 = 43,878.52 : x
  2. Step 2: Convert to fraction form
    149,073.16/223,532.70 = 43,878.52/x
  3. Step 3: Cross multiply
    149,073.16x = 223,532.70 × 43,878.52
  4. Step 4: Simplify right side
    149,073.16x = 9,808,284,047.60
  5. Step 5: Solve for x
    x = 9,808,284,047.60/149,073.16
  6. Step 6: Final answer
    x = 65,795.10

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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.