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Finding the Fourth Proportional to 112,995.68, 169,493.35 and 46,388.89

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Solution

The fourth proportional to 112,995.68, 169,493.35 and 46,388.89 is: 69,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995.68 : 169,493.35 = 46,388.89 : x
  2. Step 2: Convert to fraction form
    112,995.68/169,493.35 = 46,388.89/x
  3. Step 3: Cross multiply
    112,995.68x = 169,493.35 × 46,388.89
  4. Step 4: Simplify right side
    112,995.68x = 7,862,608,368.88
  5. Step 5: Solve for x
    x = 7,862,608,368.88/112,995.68
  6. Step 6: Final answer
    x = 69,583.27

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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.