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Finding the Fourth Proportional to 180,527.88, 249,136.25 and 99,955.39

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Solution

The fourth proportional to 180,527.88, 249,136.25 and 99,955.39 is: 137,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,527.88 : 249,136.25 = 99,955.39 : x
  2. Step 2: Convert to fraction form
    180,527.88/249,136.25 = 99,955.39/x
  3. Step 3: Cross multiply
    180,527.88x = 249,136.25 × 99,955.39
  4. Step 4: Simplify right side
    180,527.88x = 24,902,511,031.89
  5. Step 5: Solve for x
    x = 24,902,511,031.89/180,527.88
  6. Step 6: Final answer
    x = 137,942.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.