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Finding the Fourth Proportional to 249,969.99, 375,010.07 and 72,484.41

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Solution

The fourth proportional to 249,969.99, 375,010.07 and 72,484.41 is: 108,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,969.99 : 375,010.07 = 72,484.41 : x
  2. Step 2: Convert to fraction form
    249,969.99/375,010.07 = 72,484.41/x
  3. Step 3: Cross multiply
    249,969.99x = 375,010.07 × 72,484.41
  4. Step 4: Simplify right side
    249,969.99x = 27,182,383,305.59
  5. Step 5: Solve for x
    x = 27,182,383,305.59/249,969.99
  6. Step 6: Final answer
    x = 108,742.59

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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.