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Finding the Fourth Proportional to 272,157.34, 375,589.95 and 151,300.64

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Solution

The fourth proportional to 272,157.34, 375,589.95 and 151,300.64 is: 208,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,157.34 : 375,589.95 = 151,300.64 : x
  2. Step 2: Convert to fraction form
    272,157.34/375,589.95 = 151,300.64/x
  3. Step 3: Cross multiply
    272,157.34x = 375,589.95 × 151,300.64
  4. Step 4: Simplify right side
    272,157.34x = 56,826,999,714.68
  5. Step 5: Solve for x
    x = 56,826,999,714.68/272,157.34
  6. Step 6: Final answer
    x = 208,802.01

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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.