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Finding the Fourth Proportional to 365,010.63, 547,156.09 and 128,187.24

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Solution

The fourth proportional to 365,010.63, 547,156.09 and 128,187.24 is: 192,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.63 : 547,156.09 = 128,187.24 : x
  2. Step 2: Convert to fraction form
    365,010.63/547,156.09 = 128,187.24/x
  3. Step 3: Cross multiply
    365,010.63x = 547,156.09 × 128,187.24
  4. Step 4: Simplify right side
    365,010.63x = 70,138,429,026.29
  5. Step 5: Solve for x
    x = 70,138,429,026.29/365,010.63
  6. Step 6: Final answer
    x = 192,154.48

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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.