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Finding the Fourth Proportional to 192,645.56, 265,904.30 and 112,088.64

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Solution

The fourth proportional to 192,645.56, 265,904.30 and 112,088.64 is: 154,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,645.56 : 265,904.30 = 112,088.64 : x
  2. Step 2: Convert to fraction form
    192,645.56/265,904.30 = 112,088.64/x
  3. Step 3: Cross multiply
    192,645.56x = 265,904.30 × 112,088.64
  4. Step 4: Simplify right side
    192,645.56x = 29,804,850,796.71
  5. Step 5: Solve for x
    x = 29,804,850,796.71/192,645.56
  6. Step 6: Final answer
    x = 154,713.41

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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.