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Finding the Fourth Proportional to 97,447, 146,170.50 and 23,575

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Solution

The fourth proportional to 97,447, 146,170.50 and 23,575 is: 35,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,447 : 146,170.50 = 23,575 : x
  2. Step 2: Convert to fraction form
    97,447/146,170.50 = 23,575/x
  3. Step 3: Cross multiply
    97,447x = 146,170.50 × 23,575
  4. Step 4: Simplify right side
    97,447x = 3,445,969,537.50
  5. Step 5: Solve for x
    x = 3,445,969,537.50/97,447
  6. Step 6: Final answer
    x = 35,362.50

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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.