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Finding the Fourth Proportional to 159,883.36, 220,637.80 and 88,263.48

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Solution

The fourth proportional to 159,883.36, 220,637.80 and 88,263.48 is: 121,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,883.36 : 220,637.80 = 88,263.48 : x
  2. Step 2: Convert to fraction form
    159,883.36/220,637.80 = 88,263.48/x
  3. Step 3: Cross multiply
    159,883.36x = 220,637.80 × 88,263.48
  4. Step 4: Simplify right side
    159,883.36x = 19,474,260,047.54
  5. Step 5: Solve for x
    x = 19,474,260,047.54/159,883.36
  6. Step 6: Final answer
    x = 121,802.92

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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.