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Finding the Fourth Proportional to 245,765.86, 368,058.30 and 140,264.98

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Solution

The fourth proportional to 245,765.86, 368,058.30 and 140,264.98 is: 210,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,765.86 : 368,058.30 = 140,264.98 : x
  2. Step 2: Convert to fraction form
    245,765.86/368,058.30 = 140,264.98/x
  3. Step 3: Cross multiply
    245,765.86x = 368,058.30 × 140,264.98
  4. Step 4: Simplify right side
    245,765.86x = 51,625,690,088.33
  5. Step 5: Solve for x
    x = 51,625,690,088.33/245,765.86
  6. Step 6: Final answer
    x = 210,060.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.