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Finding the Fourth Proportional to 375,149, 562,813 and 122,429.96

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Solution

The fourth proportional to 375,149, 562,813 and 122,429.96 is: 183,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,149 : 562,813 = 122,429.96 : x
  2. Step 2: Convert to fraction form
    375,149/562,813 = 122,429.96/x
  3. Step 3: Cross multiply
    375,149x = 562,813 × 122,429.96
  4. Step 4: Simplify right side
    375,149x = 68,905,173,077.48
  5. Step 5: Solve for x
    x = 68,905,173,077.48/375,149
  6. Step 6: Final answer
    x = 183,674.15

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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.