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Finding the Fourth Proportional to 104,710.90, 157,066.35 and 83,974.90

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Solution

The fourth proportional to 104,710.90, 157,066.35 and 83,974.90 is: 125,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,710.90 : 157,066.35 = 83,974.90 : x
  2. Step 2: Convert to fraction form
    104,710.90/157,066.35 = 83,974.90/x
  3. Step 3: Cross multiply
    104,710.90x = 157,066.35 × 83,974.90
  4. Step 4: Simplify right side
    104,710.90x = 13,189,631,034.62
  5. Step 5: Solve for x
    x = 13,189,631,034.62/104,710.90
  6. Step 6: Final answer
    x = 125,962.35

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Similar ratio
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1.5x scale

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.