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Finding the Fourth Proportional to 233,798.40, 322,600.32 and 138,309.12

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Solution

The fourth proportional to 233,798.40, 322,600.32 and 138,309.12 is: 190,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,798.40 : 322,600.32 = 138,309.12 : x
  2. Step 2: Convert to fraction form
    233,798.40/322,600.32 = 138,309.12/x
  3. Step 3: Cross multiply
    233,798.40x = 322,600.32 × 138,309.12
  4. Step 4: Simplify right side
    233,798.40x = 44,618,566,370.92
  5. Step 5: Solve for x
    x = 44,618,566,370.92/233,798.40
  6. Step 6: Final answer
    x = 190,842.05

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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.