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Finding the Fourth Proportional to 368,873.80, 553,330.32 and 116,174.05

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Solution

The fourth proportional to 368,873.80, 553,330.32 and 116,174.05 is: 174,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,873.80 : 553,330.32 = 116,174.05 : x
  2. Step 2: Convert to fraction form
    368,873.80/553,330.32 = 116,174.05/x
  3. Step 3: Cross multiply
    368,873.80x = 553,330.32 × 116,174.05
  4. Step 4: Simplify right side
    368,873.80x = 64,282,624,262.20
  5. Step 5: Solve for x
    x = 64,282,624,262.20/368,873.80
  6. Step 6: Final answer
    x = 174,267.25

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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.