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Finding the Fourth Proportional to 116,070.70, 174,138.45 and 56,908.30

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Solution

The fourth proportional to 116,070.70, 174,138.45 and 56,908.30 is: 85,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,070.70 : 174,138.45 = 56,908.30 : x
  2. Step 2: Convert to fraction form
    116,070.70/174,138.45 = 56,908.30/x
  3. Step 3: Cross multiply
    116,070.70x = 174,138.45 × 56,908.30
  4. Step 4: Simplify right side
    116,070.70x = 9,909,923,154.14
  5. Step 5: Solve for x
    x = 9,909,923,154.14/116,070.70
  6. Step 6: Final answer
    x = 85,378.34

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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.