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Finding the Fourth Proportional to 231,656.37, 347,510.47 and 73,848.21

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Solution

The fourth proportional to 231,656.37, 347,510.47 and 73,848.21 is: 110,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,656.37 : 347,510.47 = 73,848.21 : x
  2. Step 2: Convert to fraction form
    231,656.37/347,510.47 = 73,848.21/x
  3. Step 3: Cross multiply
    231,656.37x = 347,510.47 × 73,848.21
  4. Step 4: Simplify right side
    231,656.37x = 25,663,026,165.76
  5. Step 5: Solve for x
    x = 25,663,026,165.76/231,656.37
  6. Step 6: Final answer
    x = 110,780.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.