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Finding the Fourth Proportional to 368,132.96, 552,211.86 and 101,871.32

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Solution

The fourth proportional to 368,132.96, 552,211.86 and 101,871.32 is: 152,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,132.96 : 552,211.86 = 101,871.32 : x
  2. Step 2: Convert to fraction form
    368,132.96/552,211.86 = 101,871.32/x
  3. Step 3: Cross multiply
    368,132.96x = 552,211.86 × 101,871.32
  4. Step 4: Simplify right side
    368,132.96x = 56,254,551,097.86
  5. Step 5: Solve for x
    x = 56,254,551,097.86/368,132.96
  6. Step 6: Final answer
    x = 152,810.42

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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.