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Finding the Fourth Proportional to 229,344.24, 316,484.32 and 127,376.32

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Solution

The fourth proportional to 229,344.24, 316,484.32 and 127,376.32 is: 175,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,344.24 : 316,484.32 = 127,376.32 : x
  2. Step 2: Convert to fraction form
    229,344.24/316,484.32 = 127,376.32/x
  3. Step 3: Cross multiply
    229,344.24x = 316,484.32 × 127,376.32
  4. Step 4: Simplify right side
    229,344.24x = 40,312,608,019.30
  5. Step 5: Solve for x
    x = 40,312,608,019.30/229,344.24
  6. Step 6: Final answer
    x = 175,773.36

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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.