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Finding the Fourth Proportional to 103,671.56, 155,502.30 and 33,549.32

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Solution

The fourth proportional to 103,671.56, 155,502.30 and 33,549.32 is: 50,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.56 : 155,502.30 = 33,549.32 : x
  2. Step 2: Convert to fraction form
    103,671.56/155,502.30 = 33,549.32/x
  3. Step 3: Cross multiply
    103,671.56x = 155,502.30 × 33,549.32
  4. Step 4: Simplify right side
    103,671.56x = 5,216,996,423.44
  5. Step 5: Solve for x
    x = 5,216,996,423.44/103,671.56
  6. Step 6: Final answer
    x = 50,322.35

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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.