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Finding the Fourth Proportional to 81,598.77, 122,397.95 and 46,043.93

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Solution

The fourth proportional to 81,598.77, 122,397.95 and 46,043.93 is: 69,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,598.77 : 122,397.95 = 46,043.93 : x
  2. Step 2: Convert to fraction form
    81,598.77/122,397.95 = 46,043.93/x
  3. Step 3: Cross multiply
    81,598.77x = 122,397.95 × 46,043.93
  4. Step 4: Simplify right side
    81,598.77x = 5,635,683,063.05
  5. Step 5: Solve for x
    x = 5,635,683,063.05/81,598.77
  6. Step 6: Final answer
    x = 69,065.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.