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Finding the Fourth Proportional to 555,141, 832,734.54 and 161,157

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Solution

The fourth proportional to 555,141, 832,734.54 and 161,157 is: 241,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,141 : 832,734.54 = 161,157 : x
  2. Step 2: Convert to fraction form
    555,141/832,734.54 = 161,157/x
  3. Step 3: Cross multiply
    555,141x = 832,734.54 × 161,157
  4. Step 4: Simplify right side
    555,141x = 134,201,000,262.78
  5. Step 5: Solve for x
    x = 134,201,000,262.78/555,141
  6. Step 6: Final answer
    x = 241,742.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.