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Finding the Fourth Proportional to 84,848, 117,200.56 and 64,581.92

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Solution

The fourth proportional to 84,848, 117,200.56 and 64,581.92 is: 89,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848 : 117,200.56 = 64,581.92 : x
  2. Step 2: Convert to fraction form
    84,848/117,200.56 = 64,581.92/x
  3. Step 3: Cross multiply
    84,848x = 117,200.56 × 64,581.92
  4. Step 4: Simplify right side
    84,848x = 7,569,037,189.88
  5. Step 5: Solve for x
    x = 7,569,037,189.88/84,848
  6. Step 6: Final answer
    x = 89,207.02

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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.