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Finding the Fourth Proportional to 293,178, 439,744.92 and 93,490.32

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Solution

The fourth proportional to 293,178, 439,744.92 and 93,490.32 is: 140,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,178 : 439,744.92 = 93,490.32 : x
  2. Step 2: Convert to fraction form
    293,178/439,744.92 = 93,490.32/x
  3. Step 3: Cross multiply
    293,178x = 439,744.92 × 93,490.32
  4. Step 4: Simplify right side
    293,178x = 41,111,893,289.17
  5. Step 5: Solve for x
    x = 41,111,893,289.17/293,178
  6. Step 6: Final answer
    x = 140,228.44

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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.