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Finding the Fourth Proportional to 146,163, 201,705.12 and 79,095

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Solution

The fourth proportional to 146,163, 201,705.12 and 79,095 is: 109,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,163 : 201,705.12 = 79,095 : x
  2. Step 2: Convert to fraction form
    146,163/201,705.12 = 79,095/x
  3. Step 3: Cross multiply
    146,163x = 201,705.12 × 79,095
  4. Step 4: Simplify right side
    146,163x = 15,953,866,466.40
  5. Step 5: Solve for x
    x = 15,953,866,466.40/146,163
  6. Step 6: Final answer
    x = 109,151.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.