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Finding the Fourth Proportional to 169,635.40, 253,934.70 and 169,635.40

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Solution

The fourth proportional to 169,635.40, 253,934.70 and 169,635.40 is: 253,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,635.40 : 253,934.70 = 169,635.40 : x
  2. Step 2: Convert to fraction form
    169,635.40/253,934.70 = 169,635.40/x
  3. Step 3: Cross multiply
    169,635.40x = 253,934.70 × 169,635.40
  4. Step 4: Simplify right side
    169,635.40x = 43,076,314,408.38
  5. Step 5: Solve for x
    x = 43,076,314,408.38/169,635.40
  6. Step 6: Final answer
    x = 253,934.70

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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.