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Finding the Fourth Proportional to 180,925.77, 249,707.46 and 100,379.23

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Solution

The fourth proportional to 180,925.77, 249,707.46 and 100,379.23 is: 138,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,925.77 : 249,707.46 = 100,379.23 : x
  2. Step 2: Convert to fraction form
    180,925.77/249,707.46 = 100,379.23/x
  3. Step 3: Cross multiply
    180,925.77x = 249,707.46 × 100,379.23
  4. Step 4: Simplify right side
    180,925.77x = 25,065,442,560.06
  5. Step 5: Solve for x
    x = 25,065,442,560.06/180,925.77
  6. Step 6: Final answer
    x = 138,539.92

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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.