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Finding the Fourth Proportional to 368,346.76, 552,465.38 and 102,079.50

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Solution

The fourth proportional to 368,346.76, 552,465.38 and 102,079.50 is: 153,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,346.76 : 552,465.38 = 102,079.50 : x
  2. Step 2: Convert to fraction form
    368,346.76/552,465.38 = 102,079.50/x
  3. Step 3: Cross multiply
    368,346.76x = 552,465.38 × 102,079.50
  4. Step 4: Simplify right side
    368,346.76x = 56,395,389,757.71
  5. Step 5: Solve for x
    x = 56,395,389,757.71/368,346.76
  6. Step 6: Final answer
    x = 153,104.07

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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.