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Finding the Fourth Proportional to 105,553.71, 157,956.60 and 93,098.07

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Solution

The fourth proportional to 105,553.71, 157,956.60 and 93,098.07 is: 139,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.71 : 157,956.60 = 93,098.07 : x
  2. Step 2: Convert to fraction form
    105,553.71/157,956.60 = 93,098.07/x
  3. Step 3: Cross multiply
    105,553.71x = 157,956.60 × 93,098.07
  4. Step 4: Simplify right side
    105,553.71x = 14,705,454,603.76
  5. Step 5: Solve for x
    x = 14,705,454,603.76/105,553.71
  6. Step 6: Final answer
    x = 139,317.27

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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.