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Finding the Fourth Proportional to 82,929.03, 114,442.07 and 45,203.28

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Solution

The fourth proportional to 82,929.03, 114,442.07 and 45,203.28 is: 62,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,929.03 : 114,442.07 = 45,203.28 : x
  2. Step 2: Convert to fraction form
    82,929.03/114,442.07 = 45,203.28/x
  3. Step 3: Cross multiply
    82,929.03x = 114,442.07 × 45,203.28
  4. Step 4: Simplify right side
    82,929.03x = 5,173,156,439.75
  5. Step 5: Solve for x
    x = 5,173,156,439.75/82,929.03
  6. Step 6: Final answer
    x = 62,380.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.