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Finding the Fourth Proportional to 228,242.24, 314,990.88 and 127,672.64

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Solution

The fourth proportional to 228,242.24, 314,990.88 and 127,672.64 is: 176,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,242.24 : 314,990.88 = 127,672.64 : x
  2. Step 2: Convert to fraction form
    228,242.24/314,990.88 = 127,672.64/x
  3. Step 3: Cross multiply
    228,242.24x = 314,990.88 × 127,672.64
  4. Step 4: Simplify right side
    228,242.24x = 40,215,717,225.52
  5. Step 5: Solve for x
    x = 40,215,717,225.52/228,242.24
  6. Step 6: Final answer
    x = 176,197.52

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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.