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Finding the Fourth Proportional to 116,803.51, 161,224.49 and 73,219.66

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Solution

The fourth proportional to 116,803.51, 161,224.49 and 73,219.66 is: 101,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,803.51 : 161,224.49 = 73,219.66 : x
  2. Step 2: Convert to fraction form
    116,803.51/161,224.49 = 73,219.66/x
  3. Step 3: Cross multiply
    116,803.51x = 161,224.49 × 73,219.66
  4. Step 4: Simplify right side
    116,803.51x = 11,804,802,341.47
  5. Step 5: Solve for x
    x = 11,804,802,341.47/116,803.51
  6. Step 6: Final answer
    x = 101,065.48

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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.