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Finding the Fourth Proportional to 118,101.60, 176,763.60 and 104,104.80

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Solution

The fourth proportional to 118,101.60, 176,763.60 and 104,104.80 is: 155,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101.60 : 176,763.60 = 104,104.80 : x
  2. Step 2: Convert to fraction form
    118,101.60/176,763.60 = 104,104.80/x
  3. Step 3: Cross multiply
    118,101.60x = 176,763.60 × 104,104.80
  4. Step 4: Simplify right side
    118,101.60x = 18,401,939,225.28
  5. Step 5: Solve for x
    x = 18,401,939,225.28/118,101.60
  6. Step 6: Final answer
    x = 155,814.48

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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.