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Finding the Fourth Proportional to 94,217.40, 141,107.40 and 92,030.40

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Solution

The fourth proportional to 94,217.40, 141,107.40 and 92,030.40 is: 137,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,217.40 : 141,107.40 = 92,030.40 : x
  2. Step 2: Convert to fraction form
    94,217.40/141,107.40 = 92,030.40/x
  3. Step 3: Cross multiply
    94,217.40x = 141,107.40 × 92,030.40
  4. Step 4: Simplify right side
    94,217.40x = 12,986,170,464.96
  5. Step 5: Solve for x
    x = 12,986,170,464.96/94,217.40
  6. Step 6: Final answer
    x = 137,831.98

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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.