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Finding the Fourth Proportional to 84,697.79, 116,888.27 and 46,972.04

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Solution

The fourth proportional to 84,697.79, 116,888.27 and 46,972.04 is: 64,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.79 : 116,888.27 = 46,972.04 : x
  2. Step 2: Convert to fraction form
    84,697.79/116,888.27 = 46,972.04/x
  3. Step 3: Cross multiply
    84,697.79x = 116,888.27 × 46,972.04
  4. Step 4: Simplify right side
    84,697.79x = 5,490,479,674.67
  5. Step 5: Solve for x
    x = 5,490,479,674.67/84,697.79
  6. Step 6: Final answer
    x = 64,824.36

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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.