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Finding the Fourth Proportional to 323,710.64, 485,570.40 and 124,041.12

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Solution

The fourth proportional to 323,710.64, 485,570.40 and 124,041.12 is: 186,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,710.64 : 485,570.40 = 124,041.12 : x
  2. Step 2: Convert to fraction form
    323,710.64/485,570.40 = 124,041.12/x
  3. Step 3: Cross multiply
    323,710.64x = 485,570.40 × 124,041.12
  4. Step 4: Simplify right side
    323,710.64x = 60,230,696,254.85
  5. Step 5: Solve for x
    x = 60,230,696,254.85/323,710.64
  6. Step 6: Final answer
    x = 186,063.38

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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.