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Finding the Fourth Proportional to 233,602.25, 322,374.13 and 138,108.11

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Solution

The fourth proportional to 233,602.25, 322,374.13 and 138,108.11 is: 190,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,602.25 : 322,374.13 = 138,108.11 : x
  2. Step 2: Convert to fraction form
    233,602.25/322,374.13 = 138,108.11/x
  3. Step 3: Cross multiply
    233,602.25x = 322,374.13 × 138,108.11
  4. Step 4: Simplify right side
    233,602.25x = 44,522,479,850.05
  5. Step 5: Solve for x
    x = 44,522,479,850.05/233,602.25
  6. Step 6: Final answer
    x = 190,590.98

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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.