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Finding the Fourth Proportional to 101,893.47, 152,838.99 and 71,783.34

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Solution

The fourth proportional to 101,893.47, 152,838.99 and 71,783.34 is: 107,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,893.47 : 152,838.99 = 71,783.34 : x
  2. Step 2: Convert to fraction form
    101,893.47/152,838.99 = 71,783.34/x
  3. Step 3: Cross multiply
    101,893.47x = 152,838.99 × 71,783.34
  4. Step 4: Simplify right side
    101,893.47x = 10,971,293,184.43
  5. Step 5: Solve for x
    x = 10,971,293,184.43/101,893.47
  6. Step 6: Final answer
    x = 107,674.15

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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.