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Finding the Fourth Proportional to 208,228.77, 287,361.59 and 117,598.37

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Solution

The fourth proportional to 208,228.77, 287,361.59 and 117,598.37 is: 162,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,228.77 : 287,361.59 = 117,598.37 : x
  2. Step 2: Convert to fraction form
    208,228.77/287,361.59 = 117,598.37/x
  3. Step 3: Cross multiply
    208,228.77x = 287,361.59 × 117,598.37
  4. Step 4: Simplify right side
    208,228.77x = 33,793,252,559.81
  5. Step 5: Solve for x
    x = 33,793,252,559.81/208,228.77
  6. Step 6: Final answer
    x = 162,289.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.