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Finding the Fourth Proportional to 122,359.74, 183,384.90 and 69,798.84

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Solution

The fourth proportional to 122,359.74, 183,384.90 and 69,798.84 is: 104,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,359.74 : 183,384.90 = 69,798.84 : x
  2. Step 2: Convert to fraction form
    122,359.74/183,384.90 = 69,798.84/x
  3. Step 3: Cross multiply
    122,359.74x = 183,384.90 × 69,798.84
  4. Step 4: Simplify right side
    122,359.74x = 12,800,053,293.52
  5. Step 5: Solve for x
    x = 12,800,053,293.52/122,359.74
  6. Step 6: Final answer
    x = 104,610.01

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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.