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Finding the Fourth Proportional to 110,343.42, 151,983.86 and 84,800.93

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Solution

The fourth proportional to 110,343.42, 151,983.86 and 84,800.93 is: 116,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,343.42 : 151,983.86 = 84,800.93 : x
  2. Step 2: Convert to fraction form
    110,343.42/151,983.86 = 84,800.93/x
  3. Step 3: Cross multiply
    110,343.42x = 151,983.86 × 84,800.93
  4. Step 4: Simplify right side
    110,343.42x = 12,888,371,489.07
  5. Step 5: Solve for x
    x = 12,888,371,489.07/110,343.42
  6. Step 6: Final answer
    x = 116,802.36

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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.