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Finding the Fourth Proportional to 74,730.60, 104,700.60 and 74,730.60

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Solution

The fourth proportional to 74,730.60, 104,700.60 and 74,730.60 is: 104,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730.60 : 104,700.60 = 74,730.60 : x
  2. Step 2: Convert to fraction form
    74,730.60/104,700.60 = 74,730.60/x
  3. Step 3: Cross multiply
    74,730.60x = 104,700.60 × 74,730.60
  4. Step 4: Simplify right side
    74,730.60x = 7,824,338,658.36
  5. Step 5: Solve for x
    x = 7,824,338,658.36/74,730.60
  6. Step 6: Final answer
    x = 104,700.60

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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.