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Finding the Fourth Proportional to 144,274.60, 216,411.91 and 39,093.57

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Solution

The fourth proportional to 144,274.60, 216,411.91 and 39,093.57 is: 58,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,274.60 : 216,411.91 = 39,093.57 : x
  2. Step 2: Convert to fraction form
    144,274.60/216,411.91 = 39,093.57/x
  3. Step 3: Cross multiply
    144,274.60x = 216,411.91 × 39,093.57
  4. Step 4: Simplify right side
    144,274.60x = 8,460,314,152.42
  5. Step 5: Solve for x
    x = 8,460,314,152.42/144,274.60
  6. Step 6: Final answer
    x = 58,640.36

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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.