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Finding the Fourth Proportional to 124,289.64, 186,465.78 and 35,550.63

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Solution

The fourth proportional to 124,289.64, 186,465.78 and 35,550.63 is: 53,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,289.64 : 186,465.78 = 35,550.63 : x
  2. Step 2: Convert to fraction form
    124,289.64/186,465.78 = 35,550.63/x
  3. Step 3: Cross multiply
    124,289.64x = 186,465.78 × 35,550.63
  4. Step 4: Simplify right side
    124,289.64x = 6,628,975,952.44
  5. Step 5: Solve for x
    x = 6,628,975,952.44/124,289.64
  6. Step 6: Final answer
    x = 53,334.90

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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.