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Finding the Fourth Proportional to 178,732.12, 266,760.76 and 175,779.76

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Solution

The fourth proportional to 178,732.12, 266,760.76 and 175,779.76 is: 262,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,732.12 : 266,760.76 = 175,779.76 : x
  2. Step 2: Convert to fraction form
    178,732.12/266,760.76 = 175,779.76/x
  3. Step 3: Cross multiply
    178,732.12x = 266,760.76 × 175,779.76
  4. Step 4: Simplify right side
    178,732.12x = 46,891,142,370.22
  5. Step 5: Solve for x
    x = 46,891,142,370.22/178,732.12
  6. Step 6: Final answer
    x = 262,354.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.