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Finding the Fourth Proportional to 153,245.34, 229,718.98 and 73,262.59

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Solution

The fourth proportional to 153,245.34, 229,718.98 and 73,262.59 is: 109,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,245.34 : 229,718.98 = 73,262.59 : x
  2. Step 2: Convert to fraction form
    153,245.34/229,718.98 = 73,262.59/x
  3. Step 3: Cross multiply
    153,245.34x = 229,718.98 × 73,262.59
  4. Step 4: Simplify right side
    153,245.34x = 16,829,807,446.96
  5. Step 5: Solve for x
    x = 16,829,807,446.96/153,245.34
  6. Step 6: Final answer
    x = 109,822.64

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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.