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Finding the Fourth Proportional to 110,039.54, 165,070.24 and 39,924.32

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Solution

The fourth proportional to 110,039.54, 165,070.24 and 39,924.32 is: 59,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,039.54 : 165,070.24 = 39,924.32 : x
  2. Step 2: Convert to fraction form
    110,039.54/165,070.24 = 39,924.32/x
  3. Step 3: Cross multiply
    110,039.54x = 165,070.24 × 39,924.32
  4. Step 4: Simplify right side
    110,039.54x = 6,590,317,084.24
  5. Step 5: Solve for x
    x = 6,590,317,084.24/110,039.54
  6. Step 6: Final answer
    x = 59,890.45

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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.