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Finding the Fourth Proportional to 146,495.80, 219,779.70 and 41,313.40

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Solution

The fourth proportional to 146,495.80, 219,779.70 and 41,313.40 is: 61,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,495.80 : 219,779.70 = 41,313.40 : x
  2. Step 2: Convert to fraction form
    146,495.80/219,779.70 = 41,313.40/x
  3. Step 3: Cross multiply
    146,495.80x = 219,779.70 × 41,313.40
  4. Step 4: Simplify right side
    146,495.80x = 9,079,846,657.98
  5. Step 5: Solve for x
    x = 9,079,846,657.98/146,495.80
  6. Step 6: Final answer
    x = 61,980.25

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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.