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Finding the Fourth Proportional to 104,973.80, 157,460.70 and 101,037.20

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Solution

The fourth proportional to 104,973.80, 157,460.70 and 101,037.20 is: 151,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,973.80 : 157,460.70 = 101,037.20 : x
  2. Step 2: Convert to fraction form
    104,973.80/157,460.70 = 101,037.20/x
  3. Step 3: Cross multiply
    104,973.80x = 157,460.70 × 101,037.20
  4. Step 4: Simplify right side
    104,973.80x = 15,909,388,238.04
  5. Step 5: Solve for x
    x = 15,909,388,238.04/104,973.80
  6. Step 6: Final answer
    x = 151,555.80

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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.