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Finding the Fourth Proportional to 84,784.68, 117,002.97 and 46,544.45

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Solution

The fourth proportional to 84,784.68, 117,002.97 and 46,544.45 is: 64,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,784.68 : 117,002.97 = 46,544.45 : x
  2. Step 2: Convert to fraction form
    84,784.68/117,002.97 = 46,544.45/x
  3. Step 3: Cross multiply
    84,784.68x = 117,002.97 × 46,544.45
  4. Step 4: Simplify right side
    84,784.68x = 5,445,838,302.00
  5. Step 5: Solve for x
    x = 5,445,838,302.00/84,784.68
  6. Step 6: Final answer
    x = 64,231.40

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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.