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Finding the Fourth Proportional to 249,843.44, 344,792.76 and 142,396.12

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Solution

The fourth proportional to 249,843.44, 344,792.76 and 142,396.12 is: 196,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,843.44 : 344,792.76 = 142,396.12 : x
  2. Step 2: Convert to fraction form
    249,843.44/344,792.76 = 142,396.12/x
  3. Step 3: Cross multiply
    249,843.44x = 344,792.76 × 142,396.12
  4. Step 4: Simplify right side
    249,843.44x = 49,097,151,228.09
  5. Step 5: Solve for x
    x = 49,097,151,228.09/249,843.44
  6. Step 6: Final answer
    x = 196,511.67

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1.5x scale

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.