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Finding the Fourth Proportional to 102,051.50, 153,146.90 and 35,490.96

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Solution

The fourth proportional to 102,051.50, 153,146.90 and 35,490.96 is: 53,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,051.50 : 153,146.90 = 35,490.96 : x
  2. Step 2: Convert to fraction form
    102,051.50/153,146.90 = 35,490.96/x
  3. Step 3: Cross multiply
    102,051.50x = 153,146.90 × 35,490.96
  4. Step 4: Simplify right side
    102,051.50x = 5,435,330,590.75
  5. Step 5: Solve for x
    x = 5,435,330,590.75/102,051.50
  6. Step 6: Final answer
    x = 53,260.67

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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.