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Finding the Fourth Proportional to 173,130.80, 259,631.40 and 60,767.60

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Solution

The fourth proportional to 173,130.80, 259,631.40 and 60,767.60 is: 91,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,130.80 : 259,631.40 = 60,767.60 : x
  2. Step 2: Convert to fraction form
    173,130.80/259,631.40 = 60,767.60/x
  3. Step 3: Cross multiply
    173,130.80x = 259,631.40 × 60,767.60
  4. Step 4: Simplify right side
    173,130.80x = 15,777,177,062.64
  5. Step 5: Solve for x
    x = 15,777,177,062.64/173,130.80
  6. Step 6: Final answer
    x = 91,128.66

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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.