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Finding the Fourth Proportional to 202,717.58, 279,728.82 and 112,058.93

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Solution

The fourth proportional to 202,717.58, 279,728.82 and 112,058.93 is: 154,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,717.58 : 279,728.82 = 112,058.93 : x
  2. Step 2: Convert to fraction form
    202,717.58/279,728.82 = 112,058.93/x
  3. Step 3: Cross multiply
    202,717.58x = 279,728.82 × 112,058.93
  4. Step 4: Simplify right side
    202,717.58x = 31,346,110,860.72
  5. Step 5: Solve for x
    x = 31,346,110,860.72/202,717.58
  6. Step 6: Final answer
    x = 154,629.47

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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.