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Finding the Fourth Proportional to 65,266.70, 97,900.05 and 61,330.10

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Solution

The fourth proportional to 65,266.70, 97,900.05 and 61,330.10 is: 91,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,266.70 : 97,900.05 = 61,330.10 : x
  2. Step 2: Convert to fraction form
    65,266.70/97,900.05 = 61,330.10/x
  3. Step 3: Cross multiply
    65,266.70x = 97,900.05 × 61,330.10
  4. Step 4: Simplify right side
    65,266.70x = 6,004,219,856.51
  5. Step 5: Solve for x
    x = 6,004,219,856.51/65,266.70
  6. Step 6: Final answer
    x = 91,995.15

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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.