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Finding the Fourth Proportional to 230,580.60, 318,349.44 and 144,657.48

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Solution

The fourth proportional to 230,580.60, 318,349.44 and 144,657.48 is: 199,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,580.60 : 318,349.44 = 144,657.48 : x
  2. Step 2: Convert to fraction form
    230,580.60/318,349.44 = 144,657.48/x
  3. Step 3: Cross multiply
    230,580.60x = 318,349.44 × 144,657.48
  4. Step 4: Simplify right side
    230,580.60x = 46,051,627,749.81
  5. Step 5: Solve for x
    x = 46,051,627,749.81/230,580.60
  6. Step 6: Final answer
    x = 199,720.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.