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Finding the Fourth Proportional to 249,992.49, 344,996.52 and 142,580.01

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Solution

The fourth proportional to 249,992.49, 344,996.52 and 142,580.01 is: 196,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,992.49 : 344,996.52 = 142,580.01 : x
  2. Step 2: Convert to fraction form
    249,992.49/344,996.52 = 142,580.01/x
  3. Step 3: Cross multiply
    249,992.49x = 344,996.52 × 142,580.01
  4. Step 4: Simplify right side
    249,992.49x = 49,189,607,271.57
  5. Step 5: Solve for x
    x = 49,189,607,271.57/249,992.49
  6. Step 6: Final answer
    x = 196,764.34

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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.