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Finding the Fourth Proportional to 249,998.40, 375,116.97 and 116,859.31

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Solution

The fourth proportional to 249,998.40, 375,116.97 and 116,859.31 is: 175,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,998.40 : 375,116.97 = 116,859.31 : x
  2. Step 2: Convert to fraction form
    249,998.40/375,116.97 = 116,859.31/x
  3. Step 3: Cross multiply
    249,998.40x = 375,116.97 × 116,859.31
  4. Step 4: Simplify right side
    249,998.40x = 43,835,909,783.92
  5. Step 5: Solve for x
    x = 43,835,909,783.92/249,998.40
  6. Step 6: Final answer
    x = 175,344.76

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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.