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Finding the Fourth Proportional to 229,098.46, 316,157.56 and 127,124.32

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Solution

The fourth proportional to 229,098.46, 316,157.56 and 127,124.32 is: 175,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,098.46 : 316,157.56 = 127,124.32 : x
  2. Step 2: Convert to fraction form
    229,098.46/316,157.56 = 127,124.32/x
  3. Step 3: Cross multiply
    229,098.46x = 316,157.56 × 127,124.32
  4. Step 4: Simplify right side
    229,098.46x = 40,191,314,827.86
  5. Step 5: Solve for x
    x = 40,191,314,827.86/229,098.46
  6. Step 6: Final answer
    x = 175,432.50

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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.