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Finding the Fourth Proportional to 173,259.60, 239,087 and 100,656.06

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Solution

The fourth proportional to 173,259.60, 239,087 and 100,656.06 is: 138,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,259.60 : 239,087 = 100,656.06 : x
  2. Step 2: Convert to fraction form
    173,259.60/239,087 = 100,656.06/x
  3. Step 3: Cross multiply
    173,259.60x = 239,087 × 100,656.06
  4. Step 4: Simplify right side
    173,259.60x = 24,065,555,417.22
  5. Step 5: Solve for x
    x = 24,065,555,417.22/173,259.60
  6. Step 6: Final answer
    x = 138,898.83

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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.