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Finding the Fourth Proportional to 235,779.04, 353,672.21 and 131,262.31

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Solution

The fourth proportional to 235,779.04, 353,672.21 and 131,262.31 is: 196,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,779.04 : 353,672.21 = 131,262.31 : x
  2. Step 2: Convert to fraction form
    235,779.04/353,672.21 = 131,262.31/x
  3. Step 3: Cross multiply
    235,779.04x = 353,672.21 × 131,262.31
  4. Step 4: Simplify right side
    235,779.04x = 46,423,831,267.41
  5. Step 5: Solve for x
    x = 46,423,831,267.41/235,779.04
  6. Step 6: Final answer
    x = 196,895.50

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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.