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Finding the Fourth Proportional to 191,648.28, 287,254.50 and 116,603.07

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Solution

The fourth proportional to 191,648.28, 287,254.50 and 116,603.07 is: 174,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,648.28 : 287,254.50 = 116,603.07 : x
  2. Step 2: Convert to fraction form
    191,648.28/287,254.50 = 116,603.07/x
  3. Step 3: Cross multiply
    191,648.28x = 287,254.50 × 116,603.07
  4. Step 4: Simplify right side
    191,648.28x = 33,494,756,571.32
  5. Step 5: Solve for x
    x = 33,494,756,571.32/191,648.28
  6. Step 6: Final answer
    x = 174,772.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.