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Finding the Fourth Proportional to 401,077.02, 601,626.04 and 116,756.08

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Solution

The fourth proportional to 401,077.02, 601,626.04 and 116,756.08 is: 175,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,077.02 : 601,626.04 = 116,756.08 : x
  2. Step 2: Convert to fraction form
    401,077.02/601,626.04 = 116,756.08/x
  3. Step 3: Cross multiply
    401,077.02x = 601,626.04 × 116,756.08
  4. Step 4: Simplify right side
    401,077.02x = 70,243,498,056.32
  5. Step 5: Solve for x
    x = 70,243,498,056.32/401,077.02
  6. Step 6: Final answer
    x = 175,137.18

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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.