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Finding the Fourth Proportional to 92,621.70, 130,020.30 and 92,621.70

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Solution

The fourth proportional to 92,621.70, 130,020.30 and 92,621.70 is: 130,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.70 : 130,020.30 = 92,621.70 : x
  2. Step 2: Convert to fraction form
    92,621.70/130,020.30 = 92,621.70/x
  3. Step 3: Cross multiply
    92,621.70x = 130,020.30 × 92,621.70
  4. Step 4: Simplify right side
    92,621.70x = 12,042,701,220.51
  5. Step 5: Solve for x
    x = 12,042,701,220.51/92,621.70
  6. Step 6: Final answer
    x = 130,020.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.