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Finding the Fourth Proportional to 249,820.47, 374,735.57 and 91,967.67

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Solution

The fourth proportional to 249,820.47, 374,735.57 and 91,967.67 is: 137,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,820.47 : 374,735.57 = 91,967.67 : x
  2. Step 2: Convert to fraction form
    249,820.47/374,735.57 = 91,967.67/x
  3. Step 3: Cross multiply
    249,820.47x = 374,735.57 × 91,967.67
  4. Step 4: Simplify right side
    249,820.47x = 34,463,557,239.02
  5. Step 5: Solve for x
    x = 34,463,557,239.02/249,820.47
  6. Step 6: Final answer
    x = 137,953.30

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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.