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Finding the Fourth Proportional to 176,779.67, 265,169.50 and 145,549.31

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Solution

The fourth proportional to 176,779.67, 265,169.50 and 145,549.31 is: 218,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,779.67 : 265,169.50 = 145,549.31 : x
  2. Step 2: Convert to fraction form
    176,779.67/265,169.50 = 145,549.31/x
  3. Step 3: Cross multiply
    176,779.67x = 265,169.50 × 145,549.31
  4. Step 4: Simplify right side
    176,779.67x = 38,595,236,068.32
  5. Step 5: Solve for x
    x = 38,595,236,068.32/176,779.67
  6. Step 6: Final answer
    x = 218,323.96

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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.