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Finding the Fourth Proportional to 115,959.60, 173,550.60 and 101,962.80

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Solution

The fourth proportional to 115,959.60, 173,550.60 and 101,962.80 is: 152,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,959.60 : 173,550.60 = 101,962.80 : x
  2. Step 2: Convert to fraction form
    115,959.60/173,550.60 = 101,962.80/x
  3. Step 3: Cross multiply
    115,959.60x = 173,550.60 × 101,962.80
  4. Step 4: Simplify right side
    115,959.60x = 17,695,705,117.68
  5. Step 5: Solve for x
    x = 17,695,705,117.68/115,959.60
  6. Step 6: Final answer
    x = 152,602.33

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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.