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Finding the Fourth Proportional to 84,000.98, 115,921.29 and 46,275.23

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Solution

The fourth proportional to 84,000.98, 115,921.29 and 46,275.23 is: 63,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,000.98 : 115,921.29 = 46,275.23 : x
  2. Step 2: Convert to fraction form
    84,000.98/115,921.29 = 46,275.23/x
  3. Step 3: Cross multiply
    84,000.98x = 115,921.29 × 46,275.23
  4. Step 4: Simplify right side
    84,000.98x = 5,364,283,777.04
  5. Step 5: Solve for x
    x = 5,364,283,777.04/84,000.98
  6. Step 6: Final answer
    x = 63,859.78

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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.