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Finding the Fourth Proportional to 250,460.79, 345,635.00 and 135,742.22

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Solution

The fourth proportional to 250,460.79, 345,635.00 and 135,742.22 is: 187,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,460.79 : 345,635.00 = 135,742.22 : x
  2. Step 2: Convert to fraction form
    250,460.79/345,635.00 = 135,742.22/x
  3. Step 3: Cross multiply
    250,460.79x = 345,635.00 × 135,742.22
  4. Step 4: Simplify right side
    250,460.79x = 46,917,259,802.81
  5. Step 5: Solve for x
    x = 46,917,259,802.81/250,460.79
  6. Step 6: Final answer
    x = 187,323.77

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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.