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Finding the Fourth Proportional to 173,000.40, 258,924.60 and 125,480.40

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Solution

The fourth proportional to 173,000.40, 258,924.60 and 125,480.40 is: 187,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,000.40 : 258,924.60 = 125,480.40 : x
  2. Step 2: Convert to fraction form
    173,000.40/258,924.60 = 125,480.40/x
  3. Step 3: Cross multiply
    173,000.40x = 258,924.60 × 125,480.40
  4. Step 4: Simplify right side
    173,000.40x = 32,489,962,377.84
  5. Step 5: Solve for x
    x = 32,489,962,377.84/173,000.40
  6. Step 6: Final answer
    x = 187,802.82

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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.