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Finding the Fourth Proportional to 84,359.19, 116,415.59 and 46,118.96

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Solution

The fourth proportional to 84,359.19, 116,415.59 and 46,118.96 is: 63,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,359.19 : 116,415.59 = 46,118.96 : x
  2. Step 2: Convert to fraction form
    84,359.19/116,415.59 = 46,118.96/x
  3. Step 3: Cross multiply
    84,359.19x = 116,415.59 × 46,118.96
  4. Step 4: Simplify right side
    84,359.19x = 5,368,965,125.91
  5. Step 5: Solve for x
    x = 5,368,965,125.91/84,359.19
  6. Step 6: Final answer
    x = 63,644.10

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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.