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Finding the Fourth Proportional to 180,537, 249,149.63 and 108,915.49

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Solution

The fourth proportional to 180,537, 249,149.63 and 108,915.49 is: 150,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,537 : 249,149.63 = 108,915.49 : x
  2. Step 2: Convert to fraction form
    180,537/249,149.63 = 108,915.49/x
  3. Step 3: Cross multiply
    180,537x = 249,149.63 × 108,915.49
  4. Step 4: Simplify right side
    180,537x = 27,136,254,034.77
  5. Step 5: Solve for x
    x = 27,136,254,034.77/180,537
  6. Step 6: Final answer
    x = 150,308.55

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