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Finding the Fourth Proportional to 110,712, 152,851.68 and 71,037.12

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Solution

The fourth proportional to 110,712, 152,851.68 and 71,037.12 is: 98,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,712 : 152,851.68 = 71,037.12 : x
  2. Step 2: Convert to fraction form
    110,712/152,851.68 = 71,037.12/x
  3. Step 3: Cross multiply
    110,712x = 152,851.68 × 71,037.12
  4. Step 4: Simplify right side
    110,712x = 10,858,143,134.36
  5. Step 5: Solve for x
    x = 10,858,143,134.36/110,712
  6. Step 6: Final answer
    x = 98,075.58

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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.