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Finding the Fourth Proportional to 425,158.80, 637,774.92 and 109,613.04

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Solution

The fourth proportional to 425,158.80, 637,774.92 and 109,613.04 is: 164,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,158.80 : 637,774.92 = 109,613.04 : x
  2. Step 2: Convert to fraction form
    425,158.80/637,774.92 = 109,613.04/x
  3. Step 3: Cross multiply
    425,158.80x = 637,774.92 × 109,613.04
  4. Step 4: Simplify right side
    425,158.80x = 69,908,447,816.96
  5. Step 5: Solve for x
    x = 69,908,447,816.96/425,158.80
  6. Step 6: Final answer
    x = 164,429.03

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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.