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Finding the Fourth Proportional to 229,157.46, 316,275.30 and 133,664.18

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Solution

The fourth proportional to 229,157.46, 316,275.30 and 133,664.18 is: 184,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,157.46 : 316,275.30 = 133,664.18 : x
  2. Step 2: Convert to fraction form
    229,157.46/316,275.30 = 133,664.18/x
  3. Step 3: Cross multiply
    229,157.46x = 316,275.30 × 133,664.18
  4. Step 4: Simplify right side
    229,157.46x = 42,274,677,047.38
  5. Step 5: Solve for x
    x = 42,274,677,047.38/229,157.46
  6. Step 6: Final answer
    x = 184,478.73

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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.