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Finding the Fourth Proportional to 141,920.64, 212,952.24 and 94,567.68

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Solution

The fourth proportional to 141,920.64, 212,952.24 and 94,567.68 is: 141,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,920.64 : 212,952.24 = 94,567.68 : x
  2. Step 2: Convert to fraction form
    141,920.64/212,952.24 = 94,567.68/x
  3. Step 3: Cross multiply
    141,920.64x = 212,952.24 × 94,567.68
  4. Step 4: Simplify right side
    141,920.64x = 20,138,399,287.60
  5. Step 5: Solve for x
    x = 20,138,399,287.60/141,920.64
  6. Step 6: Final answer
    x = 141,899.02

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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.