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Finding the Fourth Proportional to 249,958.94, 374,936.60 and 100,197.05

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Solution

The fourth proportional to 249,958.94, 374,936.60 and 100,197.05 is: 150,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,958.94 : 374,936.60 = 100,197.05 : x
  2. Step 2: Convert to fraction form
    249,958.94/374,936.60 = 100,197.05/x
  3. Step 3: Cross multiply
    249,958.94x = 374,936.60 × 100,197.05
  4. Step 4: Simplify right side
    249,958.94x = 37,567,539,632.84
  5. Step 5: Solve for x
    x = 37,567,539,632.84/249,958.94
  6. Step 6: Final answer
    x = 150,294.85

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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.