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Finding the Fourth Proportional to 134,324.88, 185,368.72 and 73,899.44

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Solution

The fourth proportional to 134,324.88, 185,368.72 and 73,899.44 is: 101,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,324.88 : 185,368.72 = 73,899.44 : x
  2. Step 2: Convert to fraction form
    134,324.88/185,368.72 = 73,899.44/x
  3. Step 3: Cross multiply
    134,324.88x = 185,368.72 × 73,899.44
  4. Step 4: Simplify right side
    134,324.88x = 13,698,644,601.52
  5. Step 5: Solve for x
    x = 13,698,644,601.52/134,324.88
  6. Step 6: Final answer
    x = 101,981.44

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1.5x scale

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.