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Finding the Fourth Proportional to 375,848.83, 563,856.16 and 109,630.18

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Solution

The fourth proportional to 375,848.83, 563,856.16 and 109,630.18 is: 164,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,848.83 : 563,856.16 = 109,630.18 : x
  2. Step 2: Convert to fraction form
    375,848.83/563,856.16 = 109,630.18/x
  3. Step 3: Cross multiply
    375,848.83x = 563,856.16 × 109,630.18
  4. Step 4: Simplify right side
    375,848.83x = 61,815,649,495.63
  5. Step 5: Solve for x
    x = 61,815,649,495.63/375,848.83
  6. Step 6: Final answer
    x = 164,469.45

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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.