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Finding the Fourth Proportional to 294,030.63, 441,045.93 and 83,668.56

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Solution

The fourth proportional to 294,030.63, 441,045.93 and 83,668.56 is: 125,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,030.63 : 441,045.93 = 83,668.56 : x
  2. Step 2: Convert to fraction form
    294,030.63/441,045.93 = 83,668.56/x
  3. Step 3: Cross multiply
    294,030.63x = 441,045.93 × 83,668.56
  4. Step 4: Simplify right side
    294,030.63x = 36,901,677,856.96
  5. Step 5: Solve for x
    x = 36,901,677,856.96/294,030.63
  6. Step 6: Final answer
    x = 125,502.84

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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.