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Finding the Fourth Proportional to 232,051.55, 320,230.75 and 130,077.08

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Solution

The fourth proportional to 232,051.55, 320,230.75 and 130,077.08 is: 179,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,051.55 : 320,230.75 = 130,077.08 : x
  2. Step 2: Convert to fraction form
    232,051.55/320,230.75 = 130,077.08/x
  3. Step 3: Cross multiply
    232,051.55x = 320,230.75 × 130,077.08
  4. Step 4: Simplify right side
    232,051.55x = 41,654,680,392.32
  5. Step 5: Solve for x
    x = 41,654,680,392.32/232,051.55
  6. Step 6: Final answer
    x = 179,506.15

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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.