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Finding the Fourth Proportional to 159,853.50, 220,597.80 and 88,233.48

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Solution

The fourth proportional to 159,853.50, 220,597.80 and 88,233.48 is: 121,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,853.50 : 220,597.80 = 88,233.48 : x
  2. Step 2: Convert to fraction form
    159,853.50/220,597.80 = 88,233.48/x
  3. Step 3: Cross multiply
    159,853.50x = 220,597.80 × 88,233.48
  4. Step 4: Simplify right side
    159,853.50x = 19,464,111,574.34
  5. Step 5: Solve for x
    x = 19,464,111,574.34/159,853.50
  6. Step 6: Final answer
    x = 121,762.19

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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.