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Finding the Fourth Proportional to 144,970.40, 217,455.60 and 124,234.40

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Solution

The fourth proportional to 144,970.40, 217,455.60 and 124,234.40 is: 186,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970.40 : 217,455.60 = 124,234.40 : x
  2. Step 2: Convert to fraction form
    144,970.40/217,455.60 = 124,234.40/x
  3. Step 3: Cross multiply
    144,970.40x = 217,455.60 × 124,234.40
  4. Step 4: Simplify right side
    144,970.40x = 27,015,465,992.64
  5. Step 5: Solve for x
    x = 27,015,465,992.64/144,970.40
  6. Step 6: Final answer
    x = 186,351.60

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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.