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Finding the Fourth Proportional to 159,552.77, 220,239.22 and 142,527.45

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Solution

The fourth proportional to 159,552.77, 220,239.22 and 142,527.45 is: 196,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,552.77 : 220,239.22 = 142,527.45 : x
  2. Step 2: Convert to fraction form
    159,552.77/220,239.22 = 142,527.45/x
  3. Step 3: Cross multiply
    159,552.77x = 220,239.22 × 142,527.45
  4. Step 4: Simplify right side
    159,552.77x = 31,390,132,602.76
  5. Step 5: Solve for x
    x = 31,390,132,602.76/159,552.77
  6. Step 6: Final answer
    x = 196,738.25

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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.