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Finding the Fourth Proportional to 75,170,840.40, 112,756,260.60 and 75,170,840.40

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Solution

The fourth proportional to 75,170,840.40, 112,756,260.60 and 75,170,840.40 is: 112,756,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,170,840.40 : 112,756,260.60 = 75,170,840.40 : x
  2. Step 2: Convert to fraction form
    75,170,840.40/112,756,260.60 = 75,170,840.40/x
  3. Step 3: Cross multiply
    75,170,840.40x = 112,756,260.60 × 75,170,840.40
  4. Step 4: Simplify right side
    75,170,840.40x = 8,475,982,869,663,408
  5. Step 5: Solve for x
    x = 8,475,982,869,663,408/75,170,840.40
  6. Step 6: Final answer
    x = 112,756,260.60

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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.