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Finding the Fourth Proportional to 307,097.40, 460,710.90 and 96,756.60

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Solution

The fourth proportional to 307,097.40, 460,710.90 and 96,756.60 is: 145,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,097.40 : 460,710.90 = 96,756.60 : x
  2. Step 2: Convert to fraction form
    307,097.40/460,710.90 = 96,756.60/x
  3. Step 3: Cross multiply
    307,097.40x = 460,710.90 × 96,756.60
  4. Step 4: Simplify right side
    307,097.40x = 44,576,820,266.94
  5. Step 5: Solve for x
    x = 44,576,820,266.94/307,097.40
  6. Step 6: Final answer
    x = 145,155.32

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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.