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Finding the Fourth Proportional to 249,994.10, 374,954.70 and 72,482.60

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Solution

The fourth proportional to 249,994.10, 374,954.70 and 72,482.60 is: 108,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,994.10 : 374,954.70 = 72,482.60 : x
  2. Step 2: Convert to fraction form
    249,994.10/374,954.70 = 72,482.60/x
  3. Step 3: Cross multiply
    249,994.10x = 374,954.70 × 72,482.60
  4. Step 4: Simplify right side
    249,994.10x = 27,177,691,538.22
  5. Step 5: Solve for x
    x = 27,177,691,538.22/249,994.10
  6. Step 6: Final answer
    x = 108,713.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.