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Finding the Fourth Proportional to 249,702.54, 374,564.75 and 72,227.49

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Solution

The fourth proportional to 249,702.54, 374,564.75 and 72,227.49 is: 108,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,702.54 : 374,564.75 = 72,227.49 : x
  2. Step 2: Convert to fraction form
    249,702.54/374,564.75 = 72,227.49/x
  3. Step 3: Cross multiply
    249,702.54x = 374,564.75 × 72,227.49
  4. Step 4: Simplify right side
    249,702.54x = 27,053,871,373.84
  5. Step 5: Solve for x
    x = 27,053,871,373.84/249,702.54
  6. Step 6: Final answer
    x = 108,344.40

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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.