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Finding the Fourth Proportional to 181,134.46, 249,878.73 and 127,449.10

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Solution

The fourth proportional to 181,134.46, 249,878.73 and 127,449.10 is: 175,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,134.46 : 249,878.73 = 127,449.10 : x
  2. Step 2: Convert to fraction form
    181,134.46/249,878.73 = 127,449.10/x
  3. Step 3: Cross multiply
    181,134.46x = 249,878.73 × 127,449.10
  4. Step 4: Simplify right side
    181,134.46x = 31,846,819,247.64
  5. Step 5: Solve for x
    x = 31,846,819,247.64/181,134.46
  6. Step 6: Final answer
    x = 175,818.67

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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.