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Finding the Fourth Proportional to 97,873.40, 146,810.10 and 51,140.60

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Solution

The fourth proportional to 97,873.40, 146,810.10 and 51,140.60 is: 76,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,873.40 : 146,810.10 = 51,140.60 : x
  2. Step 2: Convert to fraction form
    97,873.40/146,810.10 = 51,140.60/x
  3. Step 3: Cross multiply
    97,873.40x = 146,810.10 × 51,140.60
  4. Step 4: Simplify right side
    97,873.40x = 7,507,956,600.06
  5. Step 5: Solve for x
    x = 7,507,956,600.06/97,873.40
  6. Step 6: Final answer
    x = 76,710.90

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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.