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Finding the Fourth Proportional to 109,392.46, 164,088.70 and 35,520.46

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Solution

The fourth proportional to 109,392.46, 164,088.70 and 35,520.46 is: 53,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,392.46 : 164,088.70 = 35,520.46 : x
  2. Step 2: Convert to fraction form
    109,392.46/164,088.70 = 35,520.46/x
  3. Step 3: Cross multiply
    109,392.46x = 164,088.70 × 35,520.46
  4. Step 4: Simplify right side
    109,392.46x = 5,828,506,104.80
  5. Step 5: Solve for x
    x = 5,828,506,104.80/109,392.46
  6. Step 6: Final answer
    x = 53,280.69

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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.