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Finding the Fourth Proportional to 218,424.58, 301,393.41 and 122,925.58

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Solution

The fourth proportional to 218,424.58, 301,393.41 and 122,925.58 is: 169,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,424.58 : 301,393.41 = 122,925.58 : x
  2. Step 2: Convert to fraction form
    218,424.58/301,393.41 = 122,925.58/x
  3. Step 3: Cross multiply
    218,424.58x = 301,393.41 × 122,925.58
  4. Step 4: Simplify right side
    218,424.58x = 37,048,959,732.43
  5. Step 5: Solve for x
    x = 37,048,959,732.43/218,424.58
  6. Step 6: Final answer
    x = 169,619.00

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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.