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Finding the Fourth Proportional to 180,585.62, 249,084.38 and 123,898.58

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Solution

The fourth proportional to 180,585.62, 249,084.38 and 123,898.58 is: 170,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,585.62 : 249,084.38 = 123,898.58 : x
  2. Step 2: Convert to fraction form
    180,585.62/249,084.38 = 123,898.58/x
  3. Step 3: Cross multiply
    180,585.62x = 249,084.38 × 123,898.58
  4. Step 4: Simplify right side
    180,585.62x = 30,861,200,982.18
  5. Step 5: Solve for x
    x = 30,861,200,982.18/180,585.62
  6. Step 6: Final answer
    x = 170,895.12

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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.