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Finding the Fourth Proportional to 170,317.37, 235,038.03 and 98,738.98

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Solution

The fourth proportional to 170,317.37, 235,038.03 and 98,738.98 is: 136,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,317.37 : 235,038.03 = 98,738.98 : x
  2. Step 2: Convert to fraction form
    170,317.37/235,038.03 = 98,738.98/x
  3. Step 3: Cross multiply
    170,317.37x = 235,038.03 × 98,738.98
  4. Step 4: Simplify right side
    170,317.37x = 23,207,415,343.41
  5. Step 5: Solve for x
    x = 23,207,415,343.41/170,317.37
  6. Step 6: Final answer
    x = 136,259.83

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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.