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Finding the Fourth Proportional to 115,106.48, 172,659.48 and 36,227.60

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Solution

The fourth proportional to 115,106.48, 172,659.48 and 36,227.60 is: 54,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,106.48 : 172,659.48 = 36,227.60 : x
  2. Step 2: Convert to fraction form
    115,106.48/172,659.48 = 36,227.60/x
  3. Step 3: Cross multiply
    115,106.48x = 172,659.48 × 36,227.60
  4. Step 4: Simplify right side
    115,106.48x = 6,255,038,577.65
  5. Step 5: Solve for x
    x = 6,255,038,577.65/115,106.48
  6. Step 6: Final answer
    x = 54,341.32

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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.