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Finding the Fourth Proportional to 103,317, 155,001.51 and 29,445

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Solution

The fourth proportional to 103,317, 155,001.51 and 29,445 is: 44,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,317 : 155,001.51 = 29,445 : x
  2. Step 2: Convert to fraction form
    103,317/155,001.51 = 29,445/x
  3. Step 3: Cross multiply
    103,317x = 155,001.51 × 29,445
  4. Step 4: Simplify right side
    103,317x = 4,564,019,461.95
  5. Step 5: Solve for x
    x = 4,564,019,461.95/103,317
  6. Step 6: Final answer
    x = 44,174.91

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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.