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Finding the Fourth Proportional to 225,161.30, 310,671.71 and 134,499.51

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Solution

The fourth proportional to 225,161.30, 310,671.71 and 134,499.51 is: 185,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,161.30 : 310,671.71 = 134,499.51 : x
  2. Step 2: Convert to fraction form
    225,161.30/310,671.71 = 134,499.51/x
  3. Step 3: Cross multiply
    225,161.30x = 310,671.71 × 134,499.51
  4. Step 4: Simplify right side
    225,161.30x = 41,785,192,870.04
  5. Step 5: Solve for x
    x = 41,785,192,870.04/225,161.30
  6. Step 6: Final answer
    x = 185,578.93

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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.