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Finding the Fourth Proportional to 229,999.76, 344,910 and 70,040.96

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Solution

The fourth proportional to 229,999.76, 344,910 and 70,040.96 is: 105,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,999.76 : 344,910 = 70,040.96 : x
  2. Step 2: Convert to fraction form
    229,999.76/344,910 = 70,040.96/x
  3. Step 3: Cross multiply
    229,999.76x = 344,910 × 70,040.96
  4. Step 4: Simplify right side
    229,999.76x = 24,157,827,513.60
  5. Step 5: Solve for x
    x = 24,157,827,513.60/229,999.76
  6. Step 6: Final answer
    x = 105,034.14

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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.