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Finding the Fourth Proportional to 116,285.80, 174,195.15 and 53,018.89

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Solution

The fourth proportional to 116,285.80, 174,195.15 and 53,018.89 is: 79,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,285.80 : 174,195.15 = 53,018.89 : x
  2. Step 2: Convert to fraction form
    116,285.80/174,195.15 = 53,018.89/x
  3. Step 3: Cross multiply
    116,285.80x = 174,195.15 × 53,018.89
  4. Step 4: Simplify right side
    116,285.80x = 9,235,633,011.19
  5. Step 5: Solve for x
    x = 9,235,633,011.19/116,285.80
  6. Step 6: Final answer
    x = 79,421.85

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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.