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Finding the Fourth Proportional to 92,620.45, 130,018.55 and 92,620.45

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Solution

The fourth proportional to 92,620.45, 130,018.55 and 92,620.45 is: 130,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,620.45 : 130,018.55 = 92,620.45 : x
  2. Step 2: Convert to fraction form
    92,620.45/130,018.55 = 92,620.45/x
  3. Step 3: Cross multiply
    92,620.45x = 130,018.55 × 92,620.45
  4. Step 4: Simplify right side
    92,620.45x = 12,042,376,609.35
  5. Step 5: Solve for x
    x = 12,042,376,609.35/92,620.45
  6. Step 6: Final answer
    x = 130,018.55

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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.