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Finding the Fourth Proportional to 84,685.50, 116,864.64 and 46,445.94

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Solution

The fourth proportional to 84,685.50, 116,864.64 and 46,445.94 is: 64,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.50 : 116,864.64 = 46,445.94 : x
  2. Step 2: Convert to fraction form
    84,685.50/116,864.64 = 46,445.94/x
  3. Step 3: Cross multiply
    84,685.50x = 116,864.64 × 46,445.94
  4. Step 4: Simplify right side
    84,685.50x = 5,427,888,057.56
  5. Step 5: Solve for x
    x = 5,427,888,057.56/84,685.50
  6. Step 6: Final answer
    x = 64,094.66

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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.