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Finding the Fourth Proportional to 82,809.59, 124,211.74 and 34,803.63

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Solution

The fourth proportional to 82,809.59, 124,211.74 and 34,803.63 is: 52,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,809.59 : 124,211.74 = 34,803.63 : x
  2. Step 2: Convert to fraction form
    82,809.59/124,211.74 = 34,803.63/x
  3. Step 3: Cross multiply
    82,809.59x = 124,211.74 × 34,803.63
  4. Step 4: Simplify right side
    82,809.59x = 4,323,019,717.02
  5. Step 5: Solve for x
    x = 4,323,019,717.02/82,809.59
  6. Step 6: Final answer
    x = 52,204.34

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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.