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Finding the Fourth Proportional to 192,677.76, 265,830.44 and 112,038.98

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Solution

The fourth proportional to 192,677.76, 265,830.44 and 112,038.98 is: 154,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,677.76 : 265,830.44 = 112,038.98 : x
  2. Step 2: Convert to fraction form
    192,677.76/265,830.44 = 112,038.98/x
  3. Step 3: Cross multiply
    192,677.76x = 265,830.44 × 112,038.98
  4. Step 4: Simplify right side
    192,677.76x = 29,783,369,461.20
  5. Step 5: Solve for x
    x = 29,783,369,461.20/192,677.76
  6. Step 6: Final answer
    x = 154,576.06

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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.