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Finding the Fourth Proportional to 249,393.62, 344,039.88 and 147,369.72

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Solution

The fourth proportional to 249,393.62, 344,039.88 and 147,369.72 is: 203,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,393.62 : 344,039.88 = 147,369.72 : x
  2. Step 2: Convert to fraction form
    249,393.62/344,039.88 = 147,369.72/x
  3. Step 3: Cross multiply
    249,393.62x = 344,039.88 × 147,369.72
  4. Step 4: Simplify right side
    249,393.62x = 50,701,062,627.22
  5. Step 5: Solve for x
    x = 50,701,062,627.22/249,393.62
  6. Step 6: Final answer
    x = 203,297.35

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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.