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Finding the Fourth Proportional to 293,445.59, 440,185.68 and 83,065.91

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Solution

The fourth proportional to 293,445.59, 440,185.68 and 83,065.91 is: 124,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,445.59 : 440,185.68 = 83,065.91 : x
  2. Step 2: Convert to fraction form
    293,445.59/440,185.68 = 83,065.91/x
  3. Step 3: Cross multiply
    293,445.59x = 440,185.68 × 83,065.91
  4. Step 4: Simplify right side
    293,445.59x = 36,564,423,662.84
  5. Step 5: Solve for x
    x = 36,564,423,662.84/293,445.59
  6. Step 6: Final answer
    x = 124,603.76

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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.