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Finding the Fourth Proportional to 272,246.56, 375,700.56 and 151,385.25

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Solution

The fourth proportional to 272,246.56, 375,700.56 and 151,385.25 is: 208,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,246.56 : 375,700.56 = 151,385.25 : x
  2. Step 2: Convert to fraction form
    272,246.56/375,700.56 = 151,385.25/x
  3. Step 3: Cross multiply
    272,246.56x = 375,700.56 × 151,385.25
  4. Step 4: Simplify right side
    272,246.56x = 56,875,523,200.74
  5. Step 5: Solve for x
    x = 56,875,523,200.74/272,246.56
  6. Step 6: Final answer
    x = 208,911.82

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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.