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Finding the Fourth Proportional to 124,447.58, 186,671 and 30,953.33

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Solution

The fourth proportional to 124,447.58, 186,671 and 30,953.33 is: 46,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,447.58 : 186,671 = 30,953.33 : x
  2. Step 2: Convert to fraction form
    124,447.58/186,671 = 30,953.33/x
  3. Step 3: Cross multiply
    124,447.58x = 186,671 × 30,953.33
  4. Step 4: Simplify right side
    124,447.58x = 5,778,088,131.08
  5. Step 5: Solve for x
    x = 5,778,088,131.08/124,447.58
  6. Step 6: Final answer
    x = 46,429.90

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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.