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Finding the Fourth Proportional to 173,034.90, 259,272.90 and 97,931.70

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Solution

The fourth proportional to 173,034.90, 259,272.90 and 97,931.70 is: 146,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,034.90 : 259,272.90 = 97,931.70 : x
  2. Step 2: Convert to fraction form
    173,034.90/259,272.90 = 97,931.70/x
  3. Step 3: Cross multiply
    173,034.90x = 259,272.90 × 97,931.70
  4. Step 4: Simplify right side
    173,034.90x = 25,391,035,860.93
  5. Step 5: Solve for x
    x = 25,391,035,860.93/173,034.90
  6. Step 6: Final answer
    x = 146,739.39

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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.