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Finding the Fourth Proportional to 282,365.90, 423,601.30 and 92,836.84

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Solution

The fourth proportional to 282,365.90, 423,601.30 and 92,836.84 is: 139,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,365.90 : 423,601.30 = 92,836.84 : x
  2. Step 2: Convert to fraction form
    282,365.90/423,601.30 = 92,836.84/x
  3. Step 3: Cross multiply
    282,365.90x = 423,601.30 × 92,836.84
  4. Step 4: Simplify right side
    282,365.90x = 39,325,803,993.89
  5. Step 5: Solve for x
    x = 39,325,803,993.89/282,365.90
  6. Step 6: Final answer
    x = 139,272.50

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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.