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Finding the Fourth Proportional to 173,840.07, 239,891 and 106,759.11

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Solution

The fourth proportional to 173,840.07, 239,891 and 106,759.11 is: 147,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.07 : 239,891 = 106,759.11 : x
  2. Step 2: Convert to fraction form
    173,840.07/239,891 = 106,759.11/x
  3. Step 3: Cross multiply
    173,840.07x = 239,891 × 106,759.11
  4. Step 4: Simplify right side
    173,840.07x = 25,610,549,657.01
  5. Step 5: Solve for x
    x = 25,610,549,657.01/173,840.07
  6. Step 6: Final answer
    x = 147,322.48

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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.