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Finding the Fourth Proportional to 196,487.51, 271,152.63 and 107,063.51

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Solution

The fourth proportional to 196,487.51, 271,152.63 and 107,063.51 is: 147,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,487.51 : 271,152.63 = 107,063.51 : x
  2. Step 2: Convert to fraction form
    196,487.51/271,152.63 = 107,063.51/x
  3. Step 3: Cross multiply
    196,487.51x = 271,152.63 × 107,063.51
  4. Step 4: Simplify right side
    196,487.51x = 29,030,550,957.77
  5. Step 5: Solve for x
    x = 29,030,550,957.77/196,487.51
  6. Step 6: Final answer
    x = 147,747.57

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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.