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Finding the Fourth Proportional to 115,459.60, 173,043.60 and 56,167.60

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Solution

The fourth proportional to 115,459.60, 173,043.60 and 56,167.60 is: 84,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,459.60 : 173,043.60 = 56,167.60 : x
  2. Step 2: Convert to fraction form
    115,459.60/173,043.60 = 56,167.60/x
  3. Step 3: Cross multiply
    115,459.60x = 173,043.60 × 56,167.60
  4. Step 4: Simplify right side
    115,459.60x = 9,719,443,707.36
  5. Step 5: Solve for x
    x = 9,719,443,707.36/115,459.60
  6. Step 6: Final answer
    x = 84,180.47

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1.5x scale

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.