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Finding the Fourth Proportional to 85,541.64, 118,051.56 and 47,300.52

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Solution

The fourth proportional to 85,541.64, 118,051.56 and 47,300.52 is: 65,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,541.64 : 118,051.56 = 47,300.52 : x
  2. Step 2: Convert to fraction form
    85,541.64/118,051.56 = 47,300.52/x
  3. Step 3: Cross multiply
    85,541.64x = 118,051.56 × 47,300.52
  4. Step 4: Simplify right side
    85,541.64x = 5,583,900,174.81
  5. Step 5: Solve for x
    x = 5,583,900,174.81/85,541.64
  6. Step 6: Final answer
    x = 65,276.98

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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.