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Finding the Fourth Proportional to 229,334.76, 316,501.92 and 133,872.24

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Solution

The fourth proportional to 229,334.76, 316,501.92 and 133,872.24 is: 184,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,334.76 : 316,501.92 = 133,872.24 : x
  2. Step 2: Convert to fraction form
    229,334.76/316,501.92 = 133,872.24/x
  3. Step 3: Cross multiply
    229,334.76x = 316,501.92 × 133,872.24
  4. Step 4: Simplify right side
    229,334.76x = 42,370,820,994.70
  5. Step 5: Solve for x
    x = 42,370,820,994.70/229,334.76
  6. Step 6: Final answer
    x = 184,755.34

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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.