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Finding the Fourth Proportional to 194,490.70, 291,736.05 and 46,746.70

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Solution

The fourth proportional to 194,490.70, 291,736.05 and 46,746.70 is: 70,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,490.70 : 291,736.05 = 46,746.70 : x
  2. Step 2: Convert to fraction form
    194,490.70/291,736.05 = 46,746.70/x
  3. Step 3: Cross multiply
    194,490.70x = 291,736.05 × 46,746.70
  4. Step 4: Simplify right side
    194,490.70x = 13,637,697,608.54
  5. Step 5: Solve for x
    x = 13,637,697,608.54/194,490.70
  6. Step 6: Final answer
    x = 70,120.05

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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.