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Finding the Fourth Proportional to 118,955.44, 178,376.66 and 69,050.83

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Solution

The fourth proportional to 118,955.44, 178,376.66 and 69,050.83 is: 103,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,955.44 : 178,376.66 = 69,050.83 : x
  2. Step 2: Convert to fraction form
    118,955.44/178,376.66 = 69,050.83/x
  3. Step 3: Cross multiply
    118,955.44x = 178,376.66 × 69,050.83
  4. Step 4: Simplify right side
    118,955.44x = 12,317,056,080.37
  5. Step 5: Solve for x
    x = 12,317,056,080.37/118,955.44
  6. Step 6: Final answer
    x = 103,543.45

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1.5x scale

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.