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Finding the Fourth Proportional to 316,529.94, 474,841.83 and 91,892.25

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Solution

The fourth proportional to 316,529.94, 474,841.83 and 91,892.25 is: 137,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,529.94 : 474,841.83 = 91,892.25 : x
  2. Step 2: Convert to fraction form
    316,529.94/474,841.83 = 91,892.25/x
  3. Step 3: Cross multiply
    316,529.94x = 474,841.83 × 91,892.25
  4. Step 4: Simplify right side
    316,529.94x = 43,634,284,152.82
  5. Step 5: Solve for x
    x = 43,634,284,152.82/316,529.94
  6. Step 6: Final answer
    x = 137,852.00

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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.