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Finding the Fourth Proportional to 114,117.36, 171,234.36 and 51,779.76

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Solution

The fourth proportional to 114,117.36, 171,234.36 and 51,779.76 is: 77,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,117.36 : 171,234.36 = 51,779.76 : x
  2. Step 2: Convert to fraction form
    114,117.36/171,234.36 = 51,779.76/x
  3. Step 3: Cross multiply
    114,117.36x = 171,234.36 × 51,779.76
  4. Step 4: Simplify right side
    114,117.36x = 8,866,474,064.55
  5. Step 5: Solve for x
    x = 8,866,474,064.55/114,117.36
  6. Step 6: Final answer
    x = 77,696.10

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1.5x scale

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.