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Finding the Fourth Proportional to 249,663.44, 374,480.58 and 72,166.52

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Solution

The fourth proportional to 249,663.44, 374,480.58 and 72,166.52 is: 108,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,663.44 : 374,480.58 = 72,166.52 : x
  2. Step 2: Convert to fraction form
    249,663.44/374,480.58 = 72,166.52/x
  3. Step 3: Cross multiply
    249,663.44x = 374,480.58 × 72,166.52
  4. Step 4: Simplify right side
    249,663.44x = 27,024,960,266.18
  5. Step 5: Solve for x
    x = 27,024,960,266.18/249,663.44
  6. Step 6: Final answer
    x = 108,245.57

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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.