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Finding the Fourth Proportional to 110,145.90, 151,999.47 and 59,844.54

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Solution

The fourth proportional to 110,145.90, 151,999.47 and 59,844.54 is: 82,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,145.90 : 151,999.47 = 59,844.54 : x
  2. Step 2: Convert to fraction form
    110,145.90/151,999.47 = 59,844.54/x
  3. Step 3: Cross multiply
    110,145.90x = 151,999.47 × 59,844.54
  4. Step 4: Simplify right side
    110,145.90x = 9,096,338,362.39
  5. Step 5: Solve for x
    x = 9,096,338,362.39/110,145.90
  6. Step 6: Final answer
    x = 82,584.45

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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.