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Finding the Fourth Proportional to 376,901.62, 565,421.69 and 124,197.01

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Solution

The fourth proportional to 376,901.62, 565,421.69 and 124,197.01 is: 186,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,901.62 : 565,421.69 = 124,197.01 : x
  2. Step 2: Convert to fraction form
    376,901.62/565,421.69 = 124,197.01/x
  3. Step 3: Cross multiply
    376,901.62x = 565,421.69 × 124,197.01
  4. Step 4: Simplify right side
    376,901.62x = 70,223,685,015.28
  5. Step 5: Solve for x
    x = 70,223,685,015.28/376,901.62
  6. Step 6: Final answer
    x = 186,318.34

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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.