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Finding the Fourth Proportional to 282,081.94, 423,192.94 and 139,993.90

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Solution

The fourth proportional to 282,081.94, 423,192.94 and 139,993.90 is: 210,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,081.94 : 423,192.94 = 139,993.90 : x
  2. Step 2: Convert to fraction form
    282,081.94/423,192.94 = 139,993.90/x
  3. Step 3: Cross multiply
    282,081.94x = 423,192.94 × 139,993.90
  4. Step 4: Simplify right side
    282,081.94x = 59,244,427,307.13
  5. Step 5: Solve for x
    x = 59,244,427,307.13/282,081.94
  6. Step 6: Final answer
    x = 210,025.60

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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.