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Finding the Fourth Proportional to 85,582, 118,094.08 and 47,335.48

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Solution

The fourth proportional to 85,582, 118,094.08 and 47,335.48 is: 65,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582 : 118,094.08 = 47,335.48 : x
  2. Step 2: Convert to fraction form
    85,582/118,094.08 = 47,335.48/x
  3. Step 3: Cross multiply
    85,582x = 118,094.08 × 47,335.48
  4. Step 4: Simplify right side
    85,582x = 5,590,039,961.96
  5. Step 5: Solve for x
    x = 5,590,039,961.96/85,582
  6. Step 6: Final answer
    x = 65,317.94

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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.