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Finding the Fourth Proportional to 110,051.91, 151,531.58 and 85,950.23

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Solution

The fourth proportional to 110,051.91, 151,531.58 and 85,950.23 is: 118,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,051.91 : 151,531.58 = 85,950.23 : x
  2. Step 2: Convert to fraction form
    110,051.91/151,531.58 = 85,950.23/x
  3. Step 3: Cross multiply
    110,051.91x = 151,531.58 × 85,950.23
  4. Step 4: Simplify right side
    110,051.91x = 13,024,174,153.26
  5. Step 5: Solve for x
    x = 13,024,174,153.26/110,051.91
  6. Step 6: Final answer
    x = 118,345.73

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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.