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Finding the Fourth Proportional to 181,305.88, 249,942.28 and 127,423.67

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Solution

The fourth proportional to 181,305.88, 249,942.28 and 127,423.67 is: 175,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,305.88 : 249,942.28 = 127,423.67 : x
  2. Step 2: Convert to fraction form
    181,305.88/249,942.28 = 127,423.67/x
  3. Step 3: Cross multiply
    181,305.88x = 249,942.28 × 127,423.67
  4. Step 4: Simplify right side
    181,305.88x = 31,848,562,689.24
  5. Step 5: Solve for x
    x = 31,848,562,689.24/181,305.88
  6. Step 6: Final answer
    x = 175,662.05

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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.