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Finding the Fourth Proportional to 293,030.64, 439,563.08 and 113,117

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Solution

The fourth proportional to 293,030.64, 439,563.08 and 113,117 is: 169,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,030.64 : 439,563.08 = 113,117 : x
  2. Step 2: Convert to fraction form
    293,030.64/439,563.08 = 113,117/x
  3. Step 3: Cross multiply
    293,030.64x = 439,563.08 × 113,117
  4. Step 4: Simplify right side
    293,030.64x = 49,722,056,920.36
  5. Step 5: Solve for x
    x = 49,722,056,920.36/293,030.64
  6. Step 6: Final answer
    x = 169,682.11

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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.