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Finding the Fourth Proportional to 190,874.40, 286,238.64 and 62,760.84

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Solution

The fourth proportional to 190,874.40, 286,238.64 and 62,760.84 is: 94,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,874.40 : 286,238.64 = 62,760.84 : x
  2. Step 2: Convert to fraction form
    190,874.40/286,238.64 = 62,760.84/x
  3. Step 3: Cross multiply
    190,874.40x = 286,238.64 × 62,760.84
  4. Step 4: Simplify right side
    190,874.40x = 17,964,577,486.86
  5. Step 5: Solve for x
    x = 17,964,577,486.86/190,874.40
  6. Step 6: Final answer
    x = 94,117.27

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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.