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Finding the Fourth Proportional to 118,047.30, 177,070.95 and 113,454.60

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Solution

The fourth proportional to 118,047.30, 177,070.95 and 113,454.60 is: 170,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,047.30 : 177,070.95 = 113,454.60 : x
  2. Step 2: Convert to fraction form
    118,047.30/177,070.95 = 113,454.60/x
  3. Step 3: Cross multiply
    118,047.30x = 177,070.95 × 113,454.60
  4. Step 4: Simplify right side
    118,047.30x = 20,089,513,803.87
  5. Step 5: Solve for x
    x = 20,089,513,803.87/118,047.30
  6. Step 6: Final answer
    x = 170,181.90

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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.