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Finding the Fourth Proportional to 216,143.87, 298,283.30 and 119,347.48

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Solution

The fourth proportional to 216,143.87, 298,283.30 and 119,347.48 is: 164,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,143.87 : 298,283.30 = 119,347.48 : x
  2. Step 2: Convert to fraction form
    216,143.87/298,283.30 = 119,347.48/x
  3. Step 3: Cross multiply
    216,143.87x = 298,283.30 × 119,347.48
  4. Step 4: Simplify right side
    216,143.87x = 35,599,358,559.08
  5. Step 5: Solve for x
    x = 35,599,358,559.08/216,143.87
  6. Step 6: Final answer
    x = 164,702.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.