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Finding the Fourth Proportional to 152,880.60, 210,941.19 and 92,449.98

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Solution

The fourth proportional to 152,880.60, 210,941.19 and 92,449.98 is: 127,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,880.60 : 210,941.19 = 92,449.98 : x
  2. Step 2: Convert to fraction form
    152,880.60/210,941.19 = 92,449.98/x
  3. Step 3: Cross multiply
    152,880.60x = 210,941.19 × 92,449.98
  4. Step 4: Simplify right side
    152,880.60x = 19,501,508,796.68
  5. Step 5: Solve for x
    x = 19,501,508,796.68/152,880.60
  6. Step 6: Final answer
    x = 127,560.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.