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Finding the Fourth Proportional to 100,111.84, 150,167.64 and 46,071.08

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Solution

The fourth proportional to 100,111.84, 150,167.64 and 46,071.08 is: 69,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,111.84 : 150,167.64 = 46,071.08 : x
  2. Step 2: Convert to fraction form
    100,111.84/150,167.64 = 46,071.08/x
  3. Step 3: Cross multiply
    100,111.84x = 150,167.64 × 46,071.08
  4. Step 4: Simplify right side
    100,111.84x = 6,918,385,355.85
  5. Step 5: Solve for x
    x = 6,918,385,355.85/100,111.84
  6. Step 6: Final answer
    x = 69,106.56

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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.