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Finding the Fourth Proportional to 202,756.32, 279,792.39 and 112,106.82

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Solution

The fourth proportional to 202,756.32, 279,792.39 and 112,106.82 is: 154,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,756.32 : 279,792.39 = 112,106.82 : x
  2. Step 2: Convert to fraction form
    202,756.32/279,792.39 = 112,106.82/x
  3. Step 3: Cross multiply
    202,756.32x = 279,792.39 × 112,106.82
  4. Step 4: Simplify right side
    202,756.32x = 31,366,635,103.10
  5. Step 5: Solve for x
    x = 31,366,635,103.10/202,756.32
  6. Step 6: Final answer
    x = 154,701.15

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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.