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Finding the Fourth Proportional to 115,464.40, 173,212.80 and 36,570.40

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Solution

The fourth proportional to 115,464.40, 173,212.80 and 36,570.40 is: 54,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.40 : 173,212.80 = 36,570.40 : x
  2. Step 2: Convert to fraction form
    115,464.40/173,212.80 = 36,570.40/x
  3. Step 3: Cross multiply
    115,464.40x = 173,212.80 × 36,570.40
  4. Step 4: Simplify right side
    115,464.40x = 6,334,461,381.12
  5. Step 5: Solve for x
    x = 6,334,461,381.12/115,464.40
  6. Step 6: Final answer
    x = 54,860.73

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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.