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Finding the Fourth Proportional to 185,656.88, 256,206.60 and 100,773.92

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Solution

The fourth proportional to 185,656.88, 256,206.60 and 100,773.92 is: 139,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,656.88 : 256,206.60 = 100,773.92 : x
  2. Step 2: Convert to fraction form
    185,656.88/256,206.60 = 100,773.92/x
  3. Step 3: Cross multiply
    185,656.88x = 256,206.60 × 100,773.92
  4. Step 4: Simplify right side
    185,656.88x = 25,818,943,411.87
  5. Step 5: Solve for x
    x = 25,818,943,411.87/185,656.88
  6. Step 6: Final answer
    x = 139,068.07

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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.