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Finding the Fourth Proportional to 90,080.84, 135,048.32 and 37,529.66

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Solution

The fourth proportional to 90,080.84, 135,048.32 and 37,529.66 is: 56,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,080.84 : 135,048.32 = 37,529.66 : x
  2. Step 2: Convert to fraction form
    90,080.84/135,048.32 = 37,529.66/x
  3. Step 3: Cross multiply
    90,080.84x = 135,048.32 × 37,529.66
  4. Step 4: Simplify right side
    90,080.84x = 5,068,317,533.17
  5. Step 5: Solve for x
    x = 5,068,317,533.17/90,080.84
  6. Step 6: Final answer
    x = 56,264.10

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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.