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Finding the Fourth Proportional to 84,801.52, 117,022.56 and 47,078.32

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Solution

The fourth proportional to 84,801.52, 117,022.56 and 47,078.32 is: 64,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,801.52 : 117,022.56 = 47,078.32 : x
  2. Step 2: Convert to fraction form
    84,801.52/117,022.56 = 47,078.32/x
  3. Step 3: Cross multiply
    84,801.52x = 117,022.56 × 47,078.32
  4. Step 4: Simplify right side
    84,801.52x = 5,509,225,526.90
  5. Step 5: Solve for x
    x = 5,509,225,526.90/84,801.52
  6. Step 6: Final answer
    x = 64,966.12

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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.