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Finding the Fourth Proportional to 235,807.37, 325,496.16 and 140,312.01

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Solution

The fourth proportional to 235,807.37, 325,496.16 and 140,312.01 is: 193,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,807.37 : 325,496.16 = 140,312.01 : x
  2. Step 2: Convert to fraction form
    235,807.37/325,496.16 = 140,312.01/x
  3. Step 3: Cross multiply
    235,807.37x = 325,496.16 × 140,312.01
  4. Step 4: Simplify right side
    235,807.37x = 45,671,020,456.88
  5. Step 5: Solve for x
    x = 45,671,020,456.88/235,807.37
  6. Step 6: Final answer
    x = 193,679.36

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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.