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Finding the Fourth Proportional to 249,287.94, 344,090.97 and 173,860.74

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Solution

The fourth proportional to 249,287.94, 344,090.97 and 173,860.74 is: 239,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,287.94 : 344,090.97 = 173,860.74 : x
  2. Step 2: Convert to fraction form
    249,287.94/344,090.97 = 173,860.74/x
  3. Step 3: Cross multiply
    249,287.94x = 344,090.97 × 173,860.74
  4. Step 4: Simplify right side
    249,287.94x = 59,823,910,671.52
  5. Step 5: Solve for x
    x = 59,823,910,671.52/249,287.94
  6. Step 6: Final answer
    x = 239,979.16

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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.