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Finding the Fourth Proportional to 207,596, 286,482.80 and 118,172

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Solution

The fourth proportional to 207,596, 286,482.80 and 118,172 is: 163,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,596 : 286,482.80 = 118,172 : x
  2. Step 2: Convert to fraction form
    207,596/286,482.80 = 118,172/x
  3. Step 3: Cross multiply
    207,596x = 286,482.80 × 118,172
  4. Step 4: Simplify right side
    207,596x = 33,854,245,441.60
  5. Step 5: Solve for x
    x = 33,854,245,441.60/207,596
  6. Step 6: Final answer
    x = 163,077.54

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