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Finding the Fourth Proportional to 560,689.66, 841,163.30 and 161,333.74

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Solution

The fourth proportional to 560,689.66, 841,163.30 and 161,333.74 is: 242,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,689.66 : 841,163.30 = 161,333.74 : x
  2. Step 2: Convert to fraction form
    560,689.66/841,163.30 = 161,333.74/x
  3. Step 3: Cross multiply
    560,689.66x = 841,163.30 × 161,333.74
  4. Step 4: Simplify right side
    560,689.66x = 135,708,021,139.74
  5. Step 5: Solve for x
    x = 135,708,021,139.74/560,689.66
  6. Step 6: Final answer
    x = 242,037.67

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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.