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Finding the Fourth Proportional to 368,873.30, 553,329.57 and 116,173.55

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Solution

The fourth proportional to 368,873.30, 553,329.57 and 116,173.55 is: 174,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,873.30 : 553,329.57 = 116,173.55 : x
  2. Step 2: Convert to fraction form
    368,873.30/553,329.57 = 116,173.55/x
  3. Step 3: Cross multiply
    368,873.30x = 553,329.57 × 116,173.55
  4. Step 4: Simplify right side
    368,873.30x = 64,282,259,886.01
  5. Step 5: Solve for x
    x = 64,282,259,886.01/368,873.30
  6. Step 6: Final answer
    x = 174,266.50

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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.