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Finding the Fourth Proportional to 662,715.13, 994,072.70 and 164,079.13

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Solution

The fourth proportional to 662,715.13, 994,072.70 and 164,079.13 is: 246,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,715.13 : 994,072.70 = 164,079.13 : x
  2. Step 2: Convert to fraction form
    662,715.13/994,072.70 = 164,079.13/x
  3. Step 3: Cross multiply
    662,715.13x = 994,072.70 × 164,079.13
  4. Step 4: Simplify right side
    662,715.13x = 163,106,583,772.75
  5. Step 5: Solve for x
    x = 163,106,583,772.75/662,715.13
  6. Step 6: Final answer
    x = 246,118.70

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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.