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Finding the Fourth Proportional to 145,611.43, 201,005.75 and 97,892.44

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Solution

The fourth proportional to 145,611.43, 201,005.75 and 97,892.44 is: 135,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,611.43 : 201,005.75 = 97,892.44 : x
  2. Step 2: Convert to fraction form
    145,611.43/201,005.75 = 97,892.44/x
  3. Step 3: Cross multiply
    145,611.43x = 201,005.75 × 97,892.44
  4. Step 4: Simplify right side
    145,611.43x = 19,676,943,063.75
  5. Step 5: Solve for x
    x = 19,676,943,063.75/145,611.43
  6. Step 6: Final answer
    x = 135,133.23

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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.