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Finding the Fourth Proportional to 249,341.69, 373,925.41 and 71,801.21

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Solution

The fourth proportional to 249,341.69, 373,925.41 and 71,801.21 is: 107,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,341.69 : 373,925.41 = 71,801.21 : x
  2. Step 2: Convert to fraction form
    249,341.69/373,925.41 = 71,801.21/x
  3. Step 3: Cross multiply
    249,341.69x = 373,925.41 × 71,801.21
  4. Step 4: Simplify right side
    249,341.69x = 26,848,296,887.75
  5. Step 5: Solve for x
    x = 26,848,296,887.75/249,341.69
  6. Step 6: Final answer
    x = 107,676.73

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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.