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Finding the Fourth Proportional to 158,557.95, 218,694.06 and 101,236.68

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Solution

The fourth proportional to 158,557.95, 218,694.06 and 101,236.68 is: 139,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,557.95 : 218,694.06 = 101,236.68 : x
  2. Step 2: Convert to fraction form
    158,557.95/218,694.06 = 101,236.68/x
  3. Step 3: Cross multiply
    158,557.95x = 218,694.06 × 101,236.68
  4. Step 4: Simplify right side
    158,557.95x = 22,139,860,570.12
  5. Step 5: Solve for x
    x = 22,139,860,570.12/158,557.95
  6. Step 6: Final answer
    x = 139,632.61

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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.