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Finding the Fourth Proportional to 225,232.06, 310,820.15 and 123,257.51

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Solution

The fourth proportional to 225,232.06, 310,820.15 and 123,257.51 is: 170,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,232.06 : 310,820.15 = 123,257.51 : x
  2. Step 2: Convert to fraction form
    225,232.06/310,820.15 = 123,257.51/x
  3. Step 3: Cross multiply
    225,232.06x = 310,820.15 × 123,257.51
  4. Step 4: Simplify right side
    225,232.06x = 38,310,917,907.59
  5. Step 5: Solve for x
    x = 38,310,917,907.59/225,232.06
  6. Step 6: Final answer
    x = 170,095.32

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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.