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Finding the Fourth Proportional to 171,725.49, 257,585.40 and 47,066.49

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Solution

The fourth proportional to 171,725.49, 257,585.40 and 47,066.49 is: 70,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,725.49 : 257,585.40 = 47,066.49 : x
  2. Step 2: Convert to fraction form
    171,725.49/257,585.40 = 47,066.49/x
  3. Step 3: Cross multiply
    171,725.49x = 257,585.40 × 47,066.49
  4. Step 4: Simplify right side
    171,725.49x = 12,123,640,653.25
  5. Step 5: Solve for x
    x = 12,123,640,653.25/171,725.49
  6. Step 6: Final answer
    x = 70,598.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.