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Finding the Fourth Proportional to 144,950.60, 217,134.30 and 97,711.40

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Solution

The fourth proportional to 144,950.60, 217,134.30 and 97,711.40 is: 146,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,950.60 : 217,134.30 = 97,711.40 : x
  2. Step 2: Convert to fraction form
    144,950.60/217,134.30 = 97,711.40/x
  3. Step 3: Cross multiply
    144,950.60x = 217,134.30 × 97,711.40
  4. Step 4: Simplify right side
    144,950.60x = 21,216,496,441.02
  5. Step 5: Solve for x
    x = 21,216,496,441.02/144,950.60
  6. Step 6: Final answer
    x = 146,370.53

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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.