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Finding the Fourth Proportional to 173,859.55, 239,690.60 and 148,636.87

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Solution

The fourth proportional to 173,859.55, 239,690.60 and 148,636.87 is: 204,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,859.55 : 239,690.60 = 148,636.87 : x
  2. Step 2: Convert to fraction form
    173,859.55/239,690.60 = 148,636.87/x
  3. Step 3: Cross multiply
    173,859.55x = 239,690.60 × 148,636.87
  4. Step 4: Simplify right side
    173,859.55x = 35,626,859,809.24
  5. Step 5: Solve for x
    x = 35,626,859,809.24/173,859.55
  6. Step 6: Final answer
    x = 204,917.47

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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.