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Finding the Fourth Proportional to 84,695.52, 116,876.88 and 46,973.28

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Solution

The fourth proportional to 84,695.52, 116,876.88 and 46,973.28 is: 64,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,695.52 : 116,876.88 = 46,973.28 : x
  2. Step 2: Convert to fraction form
    84,695.52/116,876.88 = 46,973.28/x
  3. Step 3: Cross multiply
    84,695.52x = 116,876.88 × 46,973.28
  4. Step 4: Simplify right side
    84,695.52x = 5,490,090,409.77
  5. Step 5: Solve for x
    x = 5,490,090,409.77/84,695.52
  6. Step 6: Final answer
    x = 64,821.50

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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.