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Finding the Fourth Proportional to 187,051.60, 280,577.40 and 112,256.20

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Solution

The fourth proportional to 187,051.60, 280,577.40 and 112,256.20 is: 168,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,051.60 : 280,577.40 = 112,256.20 : x
  2. Step 2: Convert to fraction form
    187,051.60/280,577.40 = 112,256.20/x
  3. Step 3: Cross multiply
    187,051.60x = 280,577.40 × 112,256.20
  4. Step 4: Simplify right side
    187,051.60x = 31,496,552,729.88
  5. Step 5: Solve for x
    x = 31,496,552,729.88/187,051.60
  6. Step 6: Final answer
    x = 168,384.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.