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Finding the Fourth Proportional to 106,932, 147,605.04 and 62,220

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Solution

The fourth proportional to 106,932, 147,605.04 and 62,220 is: 85,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,932 : 147,605.04 = 62,220 : x
  2. Step 2: Convert to fraction form
    106,932/147,605.04 = 62,220/x
  3. Step 3: Cross multiply
    106,932x = 147,605.04 × 62,220
  4. Step 4: Simplify right side
    106,932x = 9,183,985,588.80
  5. Step 5: Solve for x
    x = 9,183,985,588.80/106,932
  6. Step 6: Final answer
    x = 85,886.22

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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.