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Finding the Fourth Proportional to 425,059.65, 637,658.73 and 125,570.52

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Solution

The fourth proportional to 425,059.65, 637,658.73 and 125,570.52 is: 188,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,059.65 : 637,658.73 = 125,570.52 : x
  2. Step 2: Convert to fraction form
    425,059.65/637,658.73 = 125,570.52/x
  3. Step 3: Cross multiply
    425,059.65x = 637,658.73 × 125,570.52
  4. Step 4: Simplify right side
    425,059.65x = 80,071,138,308.64
  5. Step 5: Solve for x
    x = 80,071,138,308.64/425,059.65
  6. Step 6: Final answer
    x = 188,376.24

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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.