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Finding the Fourth Proportional to 180,486.68, 249,074.57 and 98,813.57

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Solution

The fourth proportional to 180,486.68, 249,074.57 and 98,813.57 is: 136,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,486.68 : 249,074.57 = 98,813.57 : x
  2. Step 2: Convert to fraction form
    180,486.68/249,074.57 = 98,813.57/x
  3. Step 3: Cross multiply
    180,486.68x = 249,074.57 × 98,813.57
  4. Step 4: Simplify right side
    180,486.68x = 24,611,946,963.85
  5. Step 5: Solve for x
    x = 24,611,946,963.85/180,486.68
  6. Step 6: Final answer
    x = 136,364.34

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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.