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Finding the Fourth Proportional to 225,187.56, 310,612.32 and 144,487.26

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Solution

The fourth proportional to 225,187.56, 310,612.32 and 144,487.26 is: 199,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,187.56 : 310,612.32 = 144,487.26 : x
  2. Step 2: Convert to fraction form
    225,187.56/310,612.32 = 144,487.26/x
  3. Step 3: Cross multiply
    225,187.56x = 310,612.32 × 144,487.26
  4. Step 4: Simplify right side
    225,187.56x = 44,879,523,039.04
  5. Step 5: Solve for x
    x = 44,879,523,039.04/225,187.56
  6. Step 6: Final answer
    x = 199,298.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.