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Finding the Fourth Proportional to 249,197.64, 343,880.76 and 141,757.60

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Solution

The fourth proportional to 249,197.64, 343,880.76 and 141,757.60 is: 195,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,197.64 : 343,880.76 = 141,757.60 : x
  2. Step 2: Convert to fraction form
    249,197.64/343,880.76 = 141,757.60/x
  3. Step 3: Cross multiply
    249,197.64x = 343,880.76 × 141,757.60
  4. Step 4: Simplify right side
    249,197.64x = 48,747,711,223.78
  5. Step 5: Solve for x
    x = 48,747,711,223.78/249,197.64
  6. Step 6: Final answer
    x = 195,618.67

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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.