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Finding the Fourth Proportional to 249,303.78, 373,857.24 and 91,446.12

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Solution

The fourth proportional to 249,303.78, 373,857.24 and 91,446.12 is: 137,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,303.78 : 373,857.24 = 91,446.12 : x
  2. Step 2: Convert to fraction form
    249,303.78/373,857.24 = 91,446.12/x
  3. Step 3: Cross multiply
    249,303.78x = 373,857.24 × 91,446.12
  4. Step 4: Simplify right side
    249,303.78x = 34,187,794,031.91
  5. Step 5: Solve for x
    x = 34,187,794,031.91/249,303.78
  6. Step 6: Final answer
    x = 137,133.08

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Why These Related Problems?

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