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Finding the Fourth Proportional to 159,328.04, 238,936.32 and 46,978.44

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Solution

The fourth proportional to 159,328.04, 238,936.32 and 46,978.44 is: 70,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,328.04 : 238,936.32 = 46,978.44 : x
  2. Step 2: Convert to fraction form
    159,328.04/238,936.32 = 46,978.44/x
  3. Step 3: Cross multiply
    159,328.04x = 238,936.32 × 46,978.44
  4. Step 4: Simplify right side
    159,328.04x = 11,224,855,572.94
  5. Step 5: Solve for x
    x = 11,224,855,572.94/159,328.04
  6. Step 6: Final answer
    x = 70,451.22

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1.5x scale

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.