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Finding the Fourth Proportional to 199,617.60, 299,426.40 and 94,641.60

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Solution

The fourth proportional to 199,617.60, 299,426.40 and 94,641.60 is: 141,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,617.60 : 299,426.40 = 94,641.60 : x
  2. Step 2: Convert to fraction form
    199,617.60/299,426.40 = 94,641.60/x
  3. Step 3: Cross multiply
    199,617.60x = 299,426.40 × 94,641.60
  4. Step 4: Simplify right side
    199,617.60x = 28,338,193,578.24
  5. Step 5: Solve for x
    x = 28,338,193,578.24/199,617.60
  6. Step 6: Final answer
    x = 141,962.40

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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.