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Finding the Fourth Proportional to 247,218.59, 370,607.94 and 89,411.96

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Solution

The fourth proportional to 247,218.59, 370,607.94 and 89,411.96 is: 134,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,218.59 : 370,607.94 = 89,411.96 : x
  2. Step 2: Convert to fraction form
    247,218.59/370,607.94 = 89,411.96/x
  3. Step 3: Cross multiply
    247,218.59x = 370,607.94 × 89,411.96
  4. Step 4: Simplify right side
    247,218.59x = 33,136,780,453.92
  5. Step 5: Solve for x
    x = 33,136,780,453.92/247,218.59
  6. Step 6: Final answer
    x = 134,038.39

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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.