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Finding the Fourth Proportional to 96,687, 145,030.50 and 34,359.96

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Solution

The fourth proportional to 96,687, 145,030.50 and 34,359.96 is: 51,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,687 : 145,030.50 = 34,359.96 : x
  2. Step 2: Convert to fraction form
    96,687/145,030.50 = 34,359.96/x
  3. Step 3: Cross multiply
    96,687x = 145,030.50 × 34,359.96
  4. Step 4: Simplify right side
    96,687x = 4,983,242,178.78
  5. Step 5: Solve for x
    x = 4,983,242,178.78/96,687
  6. Step 6: Final answer
    x = 51,539.94

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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.