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Finding the Fourth Proportional to 228,960.08, 316,083.60 and 177,858.32

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Solution

The fourth proportional to 228,960.08, 316,083.60 and 177,858.32 is: 245,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,960.08 : 316,083.60 = 177,858.32 : x
  2. Step 2: Convert to fraction form
    228,960.08/316,083.60 = 177,858.32/x
  3. Step 3: Cross multiply
    228,960.08x = 316,083.60 × 177,858.32
  4. Step 4: Simplify right side
    228,960.08x = 56,218,098,075.55
  5. Step 5: Solve for x
    x = 56,218,098,075.55/228,960.08
  6. Step 6: Final answer
    x = 245,536.68

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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.