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Finding the Fourth Proportional to 190,368.01, 262,735.41 and 109,779.49

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Solution

The fourth proportional to 190,368.01, 262,735.41 and 109,779.49 is: 151,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,368.01 : 262,735.41 = 109,779.49 : x
  2. Step 2: Convert to fraction form
    190,368.01/262,735.41 = 109,779.49/x
  3. Step 3: Cross multiply
    190,368.01x = 262,735.41 × 109,779.49
  4. Step 4: Simplify right side
    190,368.01x = 28,842,959,314.74
  5. Step 5: Solve for x
    x = 28,842,959,314.74/190,368.01
  6. Step 6: Final answer
    x = 151,511.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.