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Finding the Fourth Proportional to 85,573.77, 118,052.51 and 55,368.94

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Solution

The fourth proportional to 85,573.77, 118,052.51 and 55,368.94 is: 76,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,573.77 : 118,052.51 = 55,368.94 : x
  2. Step 2: Convert to fraction form
    85,573.77/118,052.51 = 55,368.94/x
  3. Step 3: Cross multiply
    85,573.77x = 118,052.51 × 55,368.94
  4. Step 4: Simplify right side
    85,573.77x = 6,536,442,186.33
  5. Step 5: Solve for x
    x = 6,536,442,186.33/85,573.77
  6. Step 6: Final answer
    x = 76,383.71

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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.