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Finding the Fourth Proportional to 368,133.66, 552,212.82 and 101,871.90

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Solution

The fourth proportional to 368,133.66, 552,212.82 and 101,871.90 is: 152,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,133.66 : 552,212.82 = 101,871.90 : x
  2. Step 2: Convert to fraction form
    368,133.66/552,212.82 = 101,871.90/x
  3. Step 3: Cross multiply
    368,133.66x = 552,212.82 × 101,871.90
  4. Step 4: Simplify right side
    368,133.66x = 56,254,969,177.76
  5. Step 5: Solve for x
    x = 56,254,969,177.76/368,133.66
  6. Step 6: Final answer
    x = 152,811.26

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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.