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Finding the Fourth Proportional to 147,268.98, 220,875.26 and 40,626.40

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Solution

The fourth proportional to 147,268.98, 220,875.26 and 40,626.40 is: 60,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,268.98 : 220,875.26 = 40,626.40 : x
  2. Step 2: Convert to fraction form
    147,268.98/220,875.26 = 40,626.40/x
  3. Step 3: Cross multiply
    147,268.98x = 220,875.26 × 40,626.40
  4. Step 4: Simplify right side
    147,268.98x = 8,973,366,662.86
  5. Step 5: Solve for x
    x = 8,973,366,662.86/147,268.98
  6. Step 6: Final answer
    x = 60,931.82

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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.