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Finding the Fourth Proportional to 144,443.87, 216,690.01 and 49,670.23

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Solution

The fourth proportional to 144,443.87, 216,690.01 and 49,670.23 is: 74,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,443.87 : 216,690.01 = 49,670.23 : x
  2. Step 2: Convert to fraction form
    144,443.87/216,690.01 = 49,670.23/x
  3. Step 3: Cross multiply
    144,443.87x = 216,690.01 × 49,670.23
  4. Step 4: Simplify right side
    144,443.87x = 10,763,041,551.95
  5. Step 5: Solve for x
    x = 10,763,041,551.95/144,443.87
  6. Step 6: Final answer
    x = 74,513.66

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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.