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Finding the Fourth Proportional to 228,499.02, 315,328.38 and 127,897.02

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Solution

The fourth proportional to 228,499.02, 315,328.38 and 127,897.02 is: 176,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,499.02 : 315,328.38 = 127,897.02 : x
  2. Step 2: Convert to fraction form
    228,499.02/315,328.38 = 127,897.02/x
  3. Step 3: Cross multiply
    228,499.02x = 315,328.38 × 127,897.02
  4. Step 4: Simplify right side
    228,499.02x = 40,329,560,123.43
  5. Step 5: Solve for x
    x = 40,329,560,123.43/228,499.02
  6. Step 6: Final answer
    x = 176,497.74

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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.