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Finding the Fourth Proportional to 233,698.77, 322,527.07 and 138,236.22

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Solution

The fourth proportional to 233,698.77, 322,527.07 and 138,236.22 is: 190,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,698.77 : 322,527.07 = 138,236.22 : x
  2. Step 2: Convert to fraction form
    233,698.77/322,527.07 = 138,236.22/x
  3. Step 3: Cross multiply
    233,698.77x = 322,527.07 × 138,236.22
  4. Step 4: Simplify right side
    233,698.77x = 44,584,922,399.69
  5. Step 5: Solve for x
    x = 44,584,922,399.69/233,698.77
  6. Step 6: Final answer
    x = 190,779.45

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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.