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Finding the Fourth Proportional to 245,761.70, 368,785.85 and 103,598.27

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Solution

The fourth proportional to 245,761.70, 368,785.85 and 103,598.27 is: 155,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,761.70 : 368,785.85 = 103,598.27 : x
  2. Step 2: Convert to fraction form
    245,761.70/368,785.85 = 103,598.27/x
  3. Step 3: Cross multiply
    245,761.70x = 368,785.85 × 103,598.27
  4. Step 4: Simplify right side
    245,761.70x = 38,205,578,030.04
  5. Step 5: Solve for x
    x = 38,205,578,030.04/245,761.70
  6. Step 6: Final answer
    x = 155,457.82

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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.