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Finding the Fourth Proportional to 264,497.72, 365,005.72 and 143,638.16

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Solution

The fourth proportional to 264,497.72, 365,005.72 and 143,638.16 is: 198,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,497.72 : 365,005.72 = 143,638.16 : x
  2. Step 2: Convert to fraction form
    264,497.72/365,005.72 = 143,638.16/x
  3. Step 3: Cross multiply
    264,497.72x = 365,005.72 × 143,638.16
  4. Step 4: Simplify right side
    264,497.72x = 52,428,750,010.28
  5. Step 5: Solve for x
    x = 52,428,750,010.28/264,497.72
  6. Step 6: Final answer
    x = 198,220.05

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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.