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Finding the Fourth Proportional to 233,108.51, 321,659.46 and 131,130.52

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Solution

The fourth proportional to 233,108.51, 321,659.46 and 131,130.52 is: 180,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,108.51 : 321,659.46 = 131,130.52 : x
  2. Step 2: Convert to fraction form
    233,108.51/321,659.46 = 131,130.52/x
  3. Step 3: Cross multiply
    233,108.51x = 321,659.46 × 131,130.52
  4. Step 4: Simplify right side
    233,108.51x = 42,179,371,448.57
  5. Step 5: Solve for x
    x = 42,179,371,448.57/233,108.51
  6. Step 6: Final answer
    x = 180,943.08

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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.