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Finding the Fourth Proportional to 243,225.02, 335,625.07 and 141,230.60

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Solution

The fourth proportional to 243,225.02, 335,625.07 and 141,230.60 is: 194,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,225.02 : 335,625.07 = 141,230.60 : x
  2. Step 2: Convert to fraction form
    243,225.02/335,625.07 = 141,230.60/x
  3. Step 3: Cross multiply
    243,225.02x = 335,625.07 × 141,230.60
  4. Step 4: Simplify right side
    243,225.02x = 47,400,529,975.31
  5. Step 5: Solve for x
    x = 47,400,529,975.31/243,225.02
  6. Step 6: Final answer
    x = 194,883.44

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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.