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Finding the Fourth Proportional to 116,294.68, 160,504.01 and 70,998.92

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Solution

The fourth proportional to 116,294.68, 160,504.01 and 70,998.92 is: 97,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,294.68 : 160,504.01 = 70,998.92 : x
  2. Step 2: Convert to fraction form
    116,294.68/160,504.01 = 70,998.92/x
  3. Step 3: Cross multiply
    116,294.68x = 160,504.01 × 70,998.92
  4. Step 4: Simplify right side
    116,294.68x = 11,395,611,944.43
  5. Step 5: Solve for x
    x = 11,395,611,944.43/116,294.68
  6. Step 6: Final answer
    x = 97,989.11

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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.