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Finding the Fourth Proportional to 307,673.82, 461,488.86 and 83,047.08

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Solution

The fourth proportional to 307,673.82, 461,488.86 and 83,047.08 is: 124,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,673.82 : 461,488.86 = 83,047.08 : x
  2. Step 2: Convert to fraction form
    307,673.82/461,488.86 = 83,047.08/x
  3. Step 3: Cross multiply
    307,673.82x = 461,488.86 × 83,047.08
  4. Step 4: Simplify right side
    307,673.82x = 38,325,302,275.53
  5. Step 5: Solve for x
    x = 38,325,302,275.53/307,673.82
  6. Step 6: Final answer
    x = 124,564.72

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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.