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Finding the Fourth Proportional to 187,661.80, 281,492.70 and 175,220.20

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Solution

The fourth proportional to 187,661.80, 281,492.70 and 175,220.20 is: 262,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,661.80 : 281,492.70 = 175,220.20 : x
  2. Step 2: Convert to fraction form
    187,661.80/281,492.70 = 175,220.20/x
  3. Step 3: Cross multiply
    187,661.80x = 281,492.70 × 175,220.20
  4. Step 4: Simplify right side
    187,661.80x = 49,323,207,192.54
  5. Step 5: Solve for x
    x = 49,323,207,192.54/187,661.80
  6. Step 6: Final answer
    x = 262,830.30

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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.