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Finding the Fourth Proportional to 272,181.86, 375,582.42 and 151,303.64

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Solution

The fourth proportional to 272,181.86, 375,582.42 and 151,303.64 is: 208,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,181.86 : 375,582.42 = 151,303.64 : x
  2. Step 2: Convert to fraction form
    272,181.86/375,582.42 = 151,303.64/x
  3. Step 3: Cross multiply
    272,181.86x = 375,582.42 × 151,303.64
  4. Step 4: Simplify right side
    272,181.86x = 56,826,985,388.10
  5. Step 5: Solve for x
    x = 56,826,985,388.10/272,181.86
  6. Step 6: Final answer
    x = 208,783.15

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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.