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Finding the Fourth Proportional to 173,174.79, 259,532.55 and 88,931.55

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Solution

The fourth proportional to 173,174.79, 259,532.55 and 88,931.55 is: 133,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,174.79 : 259,532.55 = 88,931.55 : x
  2. Step 2: Convert to fraction form
    173,174.79/259,532.55 = 88,931.55/x
  3. Step 3: Cross multiply
    173,174.79x = 259,532.55 × 88,931.55
  4. Step 4: Simplify right side
    173,174.79x = 23,080,631,946.95
  5. Step 5: Solve for x
    x = 23,080,631,946.95/173,174.79
  6. Step 6: Final answer
    x = 133,279.40

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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.