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Finding the Fourth Proportional to 115,636.40, 173,459.40 and 36,748.40

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Solution

The fourth proportional to 115,636.40, 173,459.40 and 36,748.40 is: 55,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,636.40 : 173,459.40 = 36,748.40 : x
  2. Step 2: Convert to fraction form
    115,636.40/173,459.40 = 36,748.40/x
  3. Step 3: Cross multiply
    115,636.40x = 173,459.40 × 36,748.40
  4. Step 4: Simplify right side
    115,636.40x = 6,374,355,414.96
  5. Step 5: Solve for x
    x = 6,374,355,414.96/115,636.40
  6. Step 6: Final answer
    x = 55,124.13

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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.