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Finding the Fourth Proportional to 82,705.57, 124,059.10 and 23,541.21

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Solution

The fourth proportional to 82,705.57, 124,059.10 and 23,541.21 is: 35,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,705.57 : 124,059.10 = 23,541.21 : x
  2. Step 2: Convert to fraction form
    82,705.57/124,059.10 = 23,541.21/x
  3. Step 3: Cross multiply
    82,705.57x = 124,059.10 × 23,541.21
  4. Step 4: Simplify right side
    82,705.57x = 2,920,501,266.66
  5. Step 5: Solve for x
    x = 2,920,501,266.66/82,705.57
  6. Step 6: Final answer
    x = 35,312.03

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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.