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Finding the Fourth Proportional to 173,879.60, 260,430.60 and 134,308.40

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Solution

The fourth proportional to 173,879.60, 260,430.60 and 134,308.40 is: 201,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.60 : 260,430.60 = 134,308.40 : x
  2. Step 2: Convert to fraction form
    173,879.60/260,430.60 = 134,308.40/x
  3. Step 3: Cross multiply
    173,879.60x = 260,430.60 × 134,308.40
  4. Step 4: Simplify right side
    173,879.60x = 34,978,017,197.04
  5. Step 5: Solve for x
    x = 34,978,017,197.04/173,879.60
  6. Step 6: Final answer
    x = 201,162.28

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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.