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Finding the Fourth Proportional to 302,080.16, 453,090.98 and 91,719.92

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Solution

The fourth proportional to 302,080.16, 453,090.98 and 91,719.92 is: 137,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,080.16 : 453,090.98 = 91,719.92 : x
  2. Step 2: Convert to fraction form
    302,080.16/453,090.98 = 91,719.92/x
  3. Step 3: Cross multiply
    302,080.16x = 453,090.98 × 91,719.92
  4. Step 4: Simplify right side
    302,080.16x = 41,557,468,438.32
  5. Step 5: Solve for x
    x = 41,557,468,438.32/302,080.16
  6. Step 6: Final answer
    x = 137,571.00

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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.