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Finding the Fourth Proportional to 85,252, 117,651.80 and 47,526.24

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Solution

The fourth proportional to 85,252, 117,651.80 and 47,526.24 is: 65,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252 : 117,651.80 = 47,526.24 : x
  2. Step 2: Convert to fraction form
    85,252/117,651.80 = 47,526.24/x
  3. Step 3: Cross multiply
    85,252x = 117,651.80 × 47,526.24
  4. Step 4: Simplify right side
    85,252x = 5,591,547,683.23
  5. Step 5: Solve for x
    x = 5,591,547,683.23/85,252
  6. Step 6: Final answer
    x = 65,588.46

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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.