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Finding the Fourth Proportional to 368,184.92, 552,278.72 and 112,020

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Solution

The fourth proportional to 368,184.92, 552,278.72 and 112,020 is: 168,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,184.92 : 552,278.72 = 112,020 : x
  2. Step 2: Convert to fraction form
    368,184.92/552,278.72 = 112,020/x
  3. Step 3: Cross multiply
    368,184.92x = 552,278.72 × 112,020
  4. Step 4: Simplify right side
    368,184.92x = 61,866,262,214.40
  5. Step 5: Solve for x
    x = 61,866,262,214.40/368,184.92
  6. Step 6: Final answer
    x = 168,030.41

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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.