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Finding the Fourth Proportional to 84,888, 117,156.24 and 51,354.24

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Solution

The fourth proportional to 84,888, 117,156.24 and 51,354.24 is: 70,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888 : 117,156.24 = 51,354.24 : x
  2. Step 2: Convert to fraction form
    84,888/117,156.24 = 51,354.24/x
  3. Step 3: Cross multiply
    84,888x = 117,156.24 × 51,354.24
  4. Step 4: Simplify right side
    84,888x = 6,016,469,666.46
  5. Step 5: Solve for x
    x = 6,016,469,666.46/84,888
  6. Step 6: Final answer
    x = 70,875.38

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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.