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Finding the Fourth Proportional to 156,843.32, 235,267.54 and 56,941.16

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Solution

The fourth proportional to 156,843.32, 235,267.54 and 56,941.16 is: 85,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843.32 : 235,267.54 = 56,941.16 : x
  2. Step 2: Convert to fraction form
    156,843.32/235,267.54 = 56,941.16/x
  3. Step 3: Cross multiply
    156,843.32x = 235,267.54 × 56,941.16
  4. Step 4: Simplify right side
    156,843.32x = 13,396,405,319.26
  5. Step 5: Solve for x
    x = 13,396,405,319.26/156,843.32
  6. Step 6: Final answer
    x = 85,412.66

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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.