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Finding the Fourth Proportional to 84,037.88, 115,972.04 and 46,312.12

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Solution

The fourth proportional to 84,037.88, 115,972.04 and 46,312.12 is: 63,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.88 : 115,972.04 = 46,312.12 : x
  2. Step 2: Convert to fraction form
    84,037.88/115,972.04 = 46,312.12/x
  3. Step 3: Cross multiply
    84,037.88x = 115,972.04 × 46,312.12
  4. Step 4: Simplify right side
    84,037.88x = 5,370,911,033.12
  5. Step 5: Solve for x
    x = 5,370,911,033.12/84,037.88
  6. Step 6: Final answer
    x = 63,910.60

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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.