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Finding the Fourth Proportional to 185,617.02, 256,151.64 and 100,734.07

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Solution

The fourth proportional to 185,617.02, 256,151.64 and 100,734.07 is: 139,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,617.02 : 256,151.64 = 100,734.07 : x
  2. Step 2: Convert to fraction form
    185,617.02/256,151.64 = 100,734.07/x
  3. Step 3: Cross multiply
    185,617.02x = 256,151.64 × 100,734.07
  4. Step 4: Simplify right side
    185,617.02x = 25,803,197,234.37
  5. Step 5: Solve for x
    x = 25,803,197,234.37/185,617.02
  6. Step 6: Final answer
    x = 139,013.10

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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.