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Finding the Fourth Proportional to 377,970.10, 567,015.29 and 125,259.51

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Solution

The fourth proportional to 377,970.10, 567,015.29 and 125,259.51 is: 187,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,970.10 : 567,015.29 = 125,259.51 : x
  2. Step 2: Convert to fraction form
    377,970.10/567,015.29 = 125,259.51/x
  3. Step 3: Cross multiply
    377,970.10x = 567,015.29 × 125,259.51
  4. Step 4: Simplify right side
    377,970.10x = 71,024,059,357.64
  5. Step 5: Solve for x
    x = 71,024,059,357.64/377,970.10
  6. Step 6: Final answer
    x = 187,909.20

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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.