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Finding the Fourth Proportional to 116,380.80, 174,830.40 and 111,657.60

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Solution

The fourth proportional to 116,380.80, 174,830.40 and 111,657.60 is: 167,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,380.80 : 174,830.40 = 111,657.60 : x
  2. Step 2: Convert to fraction form
    116,380.80/174,830.40 = 111,657.60/x
  3. Step 3: Cross multiply
    116,380.80x = 174,830.40 × 111,657.60
  4. Step 4: Simplify right side
    116,380.80x = 19,521,142,871.04
  5. Step 5: Solve for x
    x = 19,521,142,871.04/116,380.80
  6. Step 6: Final answer
    x = 167,735.08

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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.