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Finding the Fourth Proportional to 115,129.51, 157,727.98 and 110,814.97

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Solution

The fourth proportional to 115,129.51, 157,727.98 and 110,814.97 is: 151,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,129.51 : 157,727.98 = 110,814.97 : x
  2. Step 2: Convert to fraction form
    115,129.51/157,727.98 = 110,814.97/x
  3. Step 3: Cross multiply
    115,129.51x = 157,727.98 × 110,814.97
  4. Step 4: Simplify right side
    115,129.51x = 17,478,621,233.34
  5. Step 5: Solve for x
    x = 17,478,621,233.34/115,129.51
  6. Step 6: Final answer
    x = 151,817.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.