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Finding the Fourth Proportional to 265,000.90, 365,707.26 and 144,148.64

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Solution

The fourth proportional to 265,000.90, 365,707.26 and 144,148.64 is: 198,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,000.90 : 365,707.26 = 144,148.64 : x
  2. Step 2: Convert to fraction form
    265,000.90/365,707.26 = 144,148.64/x
  3. Step 3: Cross multiply
    265,000.90x = 365,707.26 × 144,148.64
  4. Step 4: Simplify right side
    265,000.90x = 52,716,204,167.13
  5. Step 5: Solve for x
    x = 52,716,204,167.13/265,000.90
  6. Step 6: Final answer
    x = 198,928.40

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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.