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Finding the Fourth Proportional to 110,262, 152,172.84 and 64,954.24

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Solution

The fourth proportional to 110,262, 152,172.84 and 64,954.24 is: 89,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,262 : 152,172.84 = 64,954.24 : x
  2. Step 2: Convert to fraction form
    110,262/152,172.84 = 64,954.24/x
  3. Step 3: Cross multiply
    110,262x = 152,172.84 × 64,954.24
  4. Step 4: Simplify right side
    110,262x = 9,884,271,170.84
  5. Step 5: Solve for x
    x = 9,884,271,170.84/110,262
  6. Step 6: Final answer
    x = 89,643.50

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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.