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Finding the Fourth Proportional to 85,599, 118,127.03 and 47,873.25

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Solution

The fourth proportional to 85,599, 118,127.03 and 47,873.25 is: 66,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,599 : 118,127.03 = 47,873.25 : x
  2. Step 2: Convert to fraction form
    85,599/118,127.03 = 47,873.25/x
  3. Step 3: Cross multiply
    85,599x = 118,127.03 × 47,873.25
  4. Step 4: Simplify right side
    85,599x = 5,655,124,599.58
  5. Step 5: Solve for x
    x = 5,655,124,599.58/85,599
  6. Step 6: Final answer
    x = 66,065.31

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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.