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Finding the Fourth Proportional to 114,570.60, 171,710.10 and 102,031.80

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Solution

The fourth proportional to 114,570.60, 171,710.10 and 102,031.80 is: 152,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,570.60 : 171,710.10 = 102,031.80 : x
  2. Step 2: Convert to fraction form
    114,570.60/171,710.10 = 102,031.80/x
  3. Step 3: Cross multiply
    114,570.60x = 171,710.10 × 102,031.80
  4. Step 4: Simplify right side
    114,570.60x = 17,519,890,581.18
  5. Step 5: Solve for x
    x = 17,519,890,581.18/114,570.60
  6. Step 6: Final answer
    x = 152,917.86

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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.