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Finding the Fourth Proportional to 117,119.01, 161,624.34 and 63,404.49

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Solution

The fourth proportional to 117,119.01, 161,624.34 and 63,404.49 is: 87,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,119.01 : 161,624.34 = 63,404.49 : x
  2. Step 2: Convert to fraction form
    117,119.01/161,624.34 = 63,404.49/x
  3. Step 3: Cross multiply
    117,119.01x = 161,624.34 × 63,404.49
  4. Step 4: Simplify right side
    117,119.01x = 10,247,708,849.29
  5. Step 5: Solve for x
    x = 10,247,708,849.29/117,119.01
  6. Step 6: Final answer
    x = 87,498.25

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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.