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Finding the Fourth Proportional to 272,303.98, 375,750.70 and 151,425.72

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Solution

The fourth proportional to 272,303.98, 375,750.70 and 151,425.72 is: 208,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,303.98 : 375,750.70 = 151,425.72 : x
  2. Step 2: Convert to fraction form
    272,303.98/375,750.70 = 151,425.72/x
  3. Step 3: Cross multiply
    272,303.98x = 375,750.70 × 151,425.72
  4. Step 4: Simplify right side
    272,303.98x = 56,898,319,909.44
  5. Step 5: Solve for x
    x = 56,898,319,909.44/272,303.98
  6. Step 6: Final answer
    x = 208,951.48

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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.