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Finding the Fourth Proportional to 229,274.76, 316,398.98 and 133,762.96

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Solution

The fourth proportional to 229,274.76, 316,398.98 and 133,762.96 is: 184,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,274.76 : 316,398.98 = 133,762.96 : x
  2. Step 2: Convert to fraction form
    229,274.76/316,398.98 = 133,762.96/x
  3. Step 3: Cross multiply
    229,274.76x = 316,398.98 × 133,762.96
  4. Step 4: Simplify right side
    229,274.76x = 42,322,464,105.78
  5. Step 5: Solve for x
    x = 42,322,464,105.78/229,274.76
  6. Step 6: Final answer
    x = 184,592.77

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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.