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Finding the Fourth Proportional to 109,893.58, 151,656.45 and 62,145.97

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Solution

The fourth proportional to 109,893.58, 151,656.45 and 62,145.97 is: 85,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,893.58 : 151,656.45 = 62,145.97 : x
  2. Step 2: Convert to fraction form
    109,893.58/151,656.45 = 62,145.97/x
  3. Step 3: Cross multiply
    109,893.58x = 151,656.45 × 62,145.97
  4. Step 4: Simplify right side
    109,893.58x = 9,424,837,192.01
  5. Step 5: Solve for x
    x = 9,424,837,192.01/109,893.58
  6. Step 6: Final answer
    x = 85,763.31

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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.