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Finding the Fourth Proportional to 194,818.60, 292,224.72 and 61,698.68

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Solution

The fourth proportional to 194,818.60, 292,224.72 and 61,698.68 is: 92,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,818.60 : 292,224.72 = 61,698.68 : x
  2. Step 2: Convert to fraction form
    194,818.60/292,224.72 = 61,698.68/x
  3. Step 3: Cross multiply
    194,818.60x = 292,224.72 × 61,698.68
  4. Step 4: Simplify right side
    194,818.60x = 18,029,879,487.37
  5. Step 5: Solve for x
    x = 18,029,879,487.37/194,818.60
  6. Step 6: Final answer
    x = 92,547.01

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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.