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Finding the Fourth Proportional to 169,969.10, 255,050.85 and 117,416.30

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Solution

The fourth proportional to 169,969.10, 255,050.85 and 117,416.30 is: 176,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,969.10 : 255,050.85 = 117,416.30 : x
  2. Step 2: Convert to fraction form
    169,969.10/255,050.85 = 117,416.30/x
  3. Step 3: Cross multiply
    169,969.10x = 255,050.85 × 117,416.30
  4. Step 4: Simplify right side
    169,969.10x = 29,947,127,118.86
  5. Step 5: Solve for x
    x = 29,947,127,118.86/169,969.10
  6. Step 6: Final answer
    x = 176,191.60

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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.