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Finding the Fourth Proportional to 341,166.40, 511,749.12 and 91,848.64

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Solution

The fourth proportional to 341,166.40, 511,749.12 and 91,848.64 is: 137,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,166.40 : 511,749.12 = 91,848.64 : x
  2. Step 2: Convert to fraction form
    341,166.40/511,749.12 = 91,848.64/x
  3. Step 3: Cross multiply
    341,166.40x = 511,749.12 × 91,848.64
  4. Step 4: Simplify right side
    341,166.40x = 47,003,460,693.20
  5. Step 5: Solve for x
    x = 47,003,460,693.20/341,166.40
  6. Step 6: Final answer
    x = 137,772.83

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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.