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Finding the Fourth Proportional to 176,718.70, 265,102.68 and 56,779.29

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Solution

The fourth proportional to 176,718.70, 265,102.68 and 56,779.29 is: 85,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,718.70 : 265,102.68 = 56,779.29 : x
  2. Step 2: Convert to fraction form
    176,718.70/265,102.68 = 56,779.29/x
  3. Step 3: Cross multiply
    176,718.70x = 265,102.68 × 56,779.29
  4. Step 4: Simplify right side
    176,718.70x = 15,052,341,947.50
  5. Step 5: Solve for x
    x = 15,052,341,947.50/176,718.70
  6. Step 6: Final answer
    x = 85,176.85

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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.