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Finding the Fourth Proportional to 219,962.50, 303,549.06 and 119,360.50

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Solution

The fourth proportional to 219,962.50, 303,549.06 and 119,360.50 is: 164,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,962.50 : 303,549.06 = 119,360.50 : x
  2. Step 2: Convert to fraction form
    219,962.50/303,549.06 = 119,360.50/x
  3. Step 3: Cross multiply
    219,962.50x = 303,549.06 × 119,360.50
  4. Step 4: Simplify right side
    219,962.50x = 36,231,767,576.13
  5. Step 5: Solve for x
    x = 36,231,767,576.13/219,962.50
  6. Step 6: Final answer
    x = 164,717.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.