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Finding the Fourth Proportional to 116,029.60, 174,020.10 and 56,907.70

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Solution

The fourth proportional to 116,029.60, 174,020.10 and 56,907.70 is: 85,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,029.60 : 174,020.10 = 56,907.70 : x
  2. Step 2: Convert to fraction form
    116,029.60/174,020.10 = 56,907.70/x
  3. Step 3: Cross multiply
    116,029.60x = 174,020.10 × 56,907.70
  4. Step 4: Simplify right side
    116,029.60x = 9,903,083,644.77
  5. Step 5: Solve for x
    x = 9,903,083,644.77/116,029.60
  6. Step 6: Final answer
    x = 85,349.63

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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.