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Finding the Fourth Proportional to 302,459.51, 453,689.27 and 92,097.45

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Solution

The fourth proportional to 302,459.51, 453,689.27 and 92,097.45 is: 138,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,459.51 : 453,689.27 = 92,097.45 : x
  2. Step 2: Convert to fraction form
    302,459.51/453,689.27 = 92,097.45/x
  3. Step 3: Cross multiply
    302,459.51x = 453,689.27 × 92,097.45
  4. Step 4: Simplify right side
    302,459.51x = 41,783,624,859.36
  5. Step 5: Solve for x
    x = 41,783,624,859.36/302,459.51
  6. Step 6: Final answer
    x = 138,146.18

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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.