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Finding the Fourth Proportional to 174,047.20, 260,779.20 and 148,969.60

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Solution

The fourth proportional to 174,047.20, 260,779.20 and 148,969.60 is: 223,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,047.20 : 260,779.20 = 148,969.60 : x
  2. Step 2: Convert to fraction form
    174,047.20/260,779.20 = 148,969.60/x
  3. Step 3: Cross multiply
    174,047.20x = 260,779.20 × 148,969.60
  4. Step 4: Simplify right side
    174,047.20x = 38,848,173,112.32
  5. Step 5: Solve for x
    x = 38,848,173,112.32/174,047.20
  6. Step 6: Final answer
    x = 223,204.82

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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.