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Finding the Fourth Proportional to 228,034.52, 314,688.06 and 127,432.52

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Solution

The fourth proportional to 228,034.52, 314,688.06 and 127,432.52 is: 175,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,034.52 : 314,688.06 = 127,432.52 : x
  2. Step 2: Convert to fraction form
    228,034.52/314,688.06 = 127,432.52/x
  3. Step 3: Cross multiply
    228,034.52x = 314,688.06 × 127,432.52
  4. Step 4: Simplify right side
    228,034.52x = 40,101,492,499.71
  5. Step 5: Solve for x
    x = 40,101,492,499.71/228,034.52
  6. Step 6: Final answer
    x = 175,857.11

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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.