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Finding the Fourth Proportional to 116,709.70, 174,661.35 and 69,996.10

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Solution

The fourth proportional to 116,709.70, 174,661.35 and 69,996.10 is: 104,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,709.70 : 174,661.35 = 69,996.10 : x
  2. Step 2: Convert to fraction form
    116,709.70/174,661.35 = 69,996.10/x
  3. Step 3: Cross multiply
    116,709.70x = 174,661.35 × 69,996.10
  4. Step 4: Simplify right side
    116,709.70x = 12,225,613,320.74
  5. Step 5: Solve for x
    x = 12,225,613,320.74/116,709.70
  6. Step 6: Final answer
    x = 104,752.33

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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.