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Finding the Fourth Proportional to 97,812.70, 146,719.05 and 97,812.70

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Solution

The fourth proportional to 97,812.70, 146,719.05 and 97,812.70 is: 146,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,812.70 : 146,719.05 = 97,812.70 : x
  2. Step 2: Convert to fraction form
    97,812.70/146,719.05 = 97,812.70/x
  3. Step 3: Cross multiply
    97,812.70x = 146,719.05 × 97,812.70
  4. Step 4: Simplify right side
    97,812.70x = 14,350,986,421.94
  5. Step 5: Solve for x
    x = 14,350,986,421.94/97,812.70
  6. Step 6: Final answer
    x = 146,719.05

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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.