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Finding the Fourth Proportional to 194,980.08, 292,480.47 and 61,870.74

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Solution

The fourth proportional to 194,980.08, 292,480.47 and 61,870.74 is: 92,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,980.08 : 292,480.47 = 61,870.74 : x
  2. Step 2: Convert to fraction form
    194,980.08/292,480.47 = 61,870.74/x
  3. Step 3: Cross multiply
    194,980.08x = 292,480.47 × 61,870.74
  4. Step 4: Simplify right side
    194,980.08x = 18,095,983,114.45
  5. Step 5: Solve for x
    x = 18,095,983,114.45/194,980.08
  6. Step 6: Final answer
    x = 92,809.39

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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.