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Finding the Fourth Proportional to 134,368.31, 185,422.67 and 73,114.74

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Solution

The fourth proportional to 134,368.31, 185,422.67 and 73,114.74 is: 100,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,368.31 : 185,422.67 = 73,114.74 : x
  2. Step 2: Convert to fraction form
    134,368.31/185,422.67 = 73,114.74/x
  3. Step 3: Cross multiply
    134,368.31x = 185,422.67 × 73,114.74
  4. Step 4: Simplify right side
    134,368.31x = 13,557,129,941.58
  5. Step 5: Solve for x
    x = 13,557,129,941.58/134,368.31
  6. Step 6: Final answer
    x = 100,895.29

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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.