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Finding the Fourth Proportional to 251,492.50, 347,061.98 and 136,772.22

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Solution

The fourth proportional to 251,492.50, 347,061.98 and 136,772.22 is: 188,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492.50 : 347,061.98 = 136,772.22 : x
  2. Step 2: Convert to fraction form
    251,492.50/347,061.98 = 136,772.22/x
  3. Step 3: Cross multiply
    251,492.50x = 347,061.98 × 136,772.22
  4. Step 4: Simplify right side
    251,492.50x = 47,468,436,798.33
  5. Step 5: Solve for x
    x = 47,468,436,798.33/251,492.50
  6. Step 6: Final answer
    x = 188,746.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.