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Finding the Fourth Proportional to 249,361.62, 374,097.12 and 80,898.98

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Solution

The fourth proportional to 249,361.62, 374,097.12 and 80,898.98 is: 121,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,361.62 : 374,097.12 = 80,898.98 : x
  2. Step 2: Convert to fraction form
    249,361.62/374,097.12 = 80,898.98/x
  3. Step 3: Cross multiply
    249,361.62x = 374,097.12 × 80,898.98
  4. Step 4: Simplify right side
    249,361.62x = 30,264,075,024.44
  5. Step 5: Solve for x
    x = 30,264,075,024.44/249,361.62
  6. Step 6: Final answer
    x = 121,366.21

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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.