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Finding the Fourth Proportional to 185,900.77, 256,543.08 and 101,017.63

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Solution

The fourth proportional to 185,900.77, 256,543.08 and 101,017.63 is: 139,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,900.77 : 256,543.08 = 101,017.63 : x
  2. Step 2: Convert to fraction form
    185,900.77/256,543.08 = 101,017.63/x
  3. Step 3: Cross multiply
    185,900.77x = 256,543.08 × 101,017.63
  4. Step 4: Simplify right side
    185,900.77x = 25,915,372,651.79
  5. Step 5: Solve for x
    x = 25,915,372,651.79/185,900.77
  6. Step 6: Final answer
    x = 139,404.34

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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.