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Finding the Fourth Proportional to 218,746.46, 301,870.14 and 118,144.46

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Solution

The fourth proportional to 218,746.46, 301,870.14 and 118,144.46 is: 163,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,746.46 : 301,870.14 = 118,144.46 : x
  2. Step 2: Convert to fraction form
    218,746.46/301,870.14 = 118,144.46/x
  3. Step 3: Cross multiply
    218,746.46x = 301,870.14 × 118,144.46
  4. Step 4: Simplify right side
    218,746.46x = 35,664,283,171.07
  5. Step 5: Solve for x
    x = 35,664,283,171.07/218,746.46
  6. Step 6: Final answer
    x = 163,039.37

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1.5x scale

Why These Related Problems?

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