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Finding the Fourth Proportional to 216,374.04, 298,590.33 and 118,253.40

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Solution

The fourth proportional to 216,374.04, 298,590.33 and 118,253.40 is: 163,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,374.04 : 298,590.33 = 118,253.40 : x
  2. Step 2: Convert to fraction form
    216,374.04/298,590.33 = 118,253.40/x
  3. Step 3: Cross multiply
    216,374.04x = 298,590.33 × 118,253.40
  4. Step 4: Simplify right side
    216,374.04x = 35,309,321,729.62
  5. Step 5: Solve for x
    x = 35,309,321,729.62/216,374.04
  6. Step 6: Final answer
    x = 163,186.50

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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.