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Finding the Fourth Proportional to 178,289.01, 246,002.47 and 105,659.89

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Solution

The fourth proportional to 178,289.01, 246,002.47 and 105,659.89 is: 145,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,289.01 : 246,002.47 = 105,659.89 : x
  2. Step 2: Convert to fraction form
    178,289.01/246,002.47 = 105,659.89/x
  3. Step 3: Cross multiply
    178,289.01x = 246,002.47 × 105,659.89
  4. Step 4: Simplify right side
    178,289.01x = 25,992,592,777.63
  5. Step 5: Solve for x
    x = 25,992,592,777.63/178,289.01
  6. Step 6: Final answer
    x = 145,789.09

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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.