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Finding the Fourth Proportional to 223,234.55, 308,144.54 and 147,807.35

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Solution

The fourth proportional to 223,234.55, 308,144.54 and 147,807.35 is: 204,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,234.55 : 308,144.54 = 147,807.35 : x
  2. Step 2: Convert to fraction form
    223,234.55/308,144.54 = 147,807.35/x
  3. Step 3: Cross multiply
    223,234.55x = 308,144.54 × 147,807.35
  4. Step 4: Simplify right side
    223,234.55x = 45,546,026,703.16
  5. Step 5: Solve for x
    x = 45,546,026,703.16/223,234.55
  6. Step 6: Final answer
    x = 204,027.68

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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.