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Finding the Fourth Proportional to 434,157.88, 651,297.96 and 134,662.80

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Solution

The fourth proportional to 434,157.88, 651,297.96 and 134,662.80 is: 202,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,157.88 : 651,297.96 = 134,662.80 : x
  2. Step 2: Convert to fraction form
    434,157.88/651,297.96 = 134,662.80/x
  3. Step 3: Cross multiply
    434,157.88x = 651,297.96 × 134,662.80
  4. Step 4: Simplify right side
    434,157.88x = 87,705,606,927.89
  5. Step 5: Solve for x
    x = 87,705,606,927.89/434,157.88
  6. Step 6: Final answer
    x = 202,013.16

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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.