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Finding the Fourth Proportional to 92,404.40, 129,628.60 and 92,404.40

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Solution

The fourth proportional to 92,404.40, 129,628.60 and 92,404.40 is: 129,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,404.40 : 129,628.60 = 92,404.40 : x
  2. Step 2: Convert to fraction form
    92,404.40/129,628.60 = 92,404.40/x
  3. Step 3: Cross multiply
    92,404.40x = 129,628.60 × 92,404.40
  4. Step 4: Simplify right side
    92,404.40x = 11,978,253,005.84
  5. Step 5: Solve for x
    x = 11,978,253,005.84/92,404.40
  6. Step 6: Final answer
    x = 129,628.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.