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Finding the Fourth Proportional to 251,674.02, 377,642.28 and 102,024.90

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Solution

The fourth proportional to 251,674.02, 377,642.28 and 102,024.90 is: 153,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,674.02 : 377,642.28 = 102,024.90 : x
  2. Step 2: Convert to fraction form
    251,674.02/377,642.28 = 102,024.90/x
  3. Step 3: Cross multiply
    251,674.02x = 377,642.28 × 102,024.90
  4. Step 4: Simplify right side
    251,674.02x = 38,528,915,852.77
  5. Step 5: Solve for x
    x = 38,528,915,852.77/251,674.02
  6. Step 6: Final answer
    x = 153,090.56

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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.