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Finding the Fourth Proportional to 84,467.61, 116,652.56 and 73,082.45

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Solution

The fourth proportional to 84,467.61, 116,652.56 and 73,082.45 is: 100,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,467.61 : 116,652.56 = 73,082.45 : x
  2. Step 2: Convert to fraction form
    84,467.61/116,652.56 = 73,082.45/x
  3. Step 3: Cross multiply
    84,467.61x = 116,652.56 × 73,082.45
  4. Step 4: Simplify right side
    84,467.61x = 8,525,254,809.79
  5. Step 5: Solve for x
    x = 8,525,254,809.79/84,467.61
  6. Step 6: Final answer
    x = 100,929.28

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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.