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Finding the Fourth Proportional to 162,779.80, 243,790.62 and 158,295.40

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Solution

The fourth proportional to 162,779.80, 243,790.62 and 158,295.40 is: 237,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,779.80 : 243,790.62 = 158,295.40 : x
  2. Step 2: Convert to fraction form
    162,779.80/243,790.62 = 158,295.40/x
  3. Step 3: Cross multiply
    162,779.80x = 243,790.62 × 158,295.40
  4. Step 4: Simplify right side
    162,779.80x = 38,590,933,709.15
  5. Step 5: Solve for x
    x = 38,590,933,709.15/162,779.80
  6. Step 6: Final answer
    x = 237,074.46

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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.