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Finding the Fourth Proportional to 468,671.09, 703,006.65 and 131,698.13

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Solution

The fourth proportional to 468,671.09, 703,006.65 and 131,698.13 is: 197,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,671.09 : 703,006.65 = 131,698.13 : x
  2. Step 2: Convert to fraction form
    468,671.09/703,006.65 = 131,698.13/x
  3. Step 3: Cross multiply
    468,671.09x = 703,006.65 × 131,698.13
  4. Step 4: Simplify right side
    468,671.09x = 92,584,657,667.53
  5. Step 5: Solve for x
    x = 92,584,657,667.53/468,671.09
  6. Step 6: Final answer
    x = 197,547.19

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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.