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Finding the Fourth Proportional to 108,775.56, 150,110.20 and 63,484.68

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Solution

The fourth proportional to 108,775.56, 150,110.20 and 63,484.68 is: 87,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,775.56 : 150,110.20 = 63,484.68 : x
  2. Step 2: Convert to fraction form
    108,775.56/150,110.20 = 63,484.68/x
  3. Step 3: Cross multiply
    108,775.56x = 150,110.20 × 63,484.68
  4. Step 4: Simplify right side
    108,775.56x = 9,529,698,011.74
  5. Step 5: Solve for x
    x = 9,529,698,011.74/108,775.56
  6. Step 6: Final answer
    x = 87,608.82

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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.