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Finding the Fourth Proportional to 184,761.70, 254,971.53 and 99,878.76

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Solution

The fourth proportional to 184,761.70, 254,971.53 and 99,878.76 is: 137,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,761.70 : 254,971.53 = 99,878.76 : x
  2. Step 2: Convert to fraction form
    184,761.70/254,971.53 = 99,878.76/x
  3. Step 3: Cross multiply
    184,761.70x = 254,971.53 × 99,878.76
  4. Step 4: Simplify right side
    184,761.70x = 25,466,240,251.70
  5. Step 5: Solve for x
    x = 25,466,240,251.70/184,761.70
  6. Step 6: Final answer
    x = 137,832.90

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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.