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Finding the Fourth Proportional to 102,491.49, 153,592.69 and 48,398.45

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Solution

The fourth proportional to 102,491.49, 153,592.69 and 48,398.45 is: 72,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,491.49 : 153,592.69 = 48,398.45 : x
  2. Step 2: Convert to fraction form
    102,491.49/153,592.69 = 48,398.45/x
  3. Step 3: Cross multiply
    102,491.49x = 153,592.69 × 48,398.45
  4. Step 4: Simplify right side
    102,491.49x = 7,433,648,127.33
  5. Step 5: Solve for x
    x = 7,433,648,127.33/102,491.49
  6. Step 6: Final answer
    x = 72,529.42

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