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Finding the Fourth Proportional to 133,075.60, 199,636.44 and 54,232.72

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Solution

The fourth proportional to 133,075.60, 199,636.44 and 54,232.72 is: 81,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.60 : 199,636.44 = 54,232.72 : x
  2. Step 2: Convert to fraction form
    133,075.60/199,636.44 = 54,232.72/x
  3. Step 3: Cross multiply
    133,075.60x = 199,636.44 × 54,232.72
  4. Step 4: Simplify right side
    133,075.60x = 10,826,827,152.32
  5. Step 5: Solve for x
    x = 10,826,827,152.32/133,075.60
  6. Step 6: Final answer
    x = 81,358.47

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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.