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Finding the Fourth Proportional to 169,695.80, 254,543.70 and 134,444.60

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Solution

The fourth proportional to 169,695.80, 254,543.70 and 134,444.60 is: 201,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,695.80 : 254,543.70 = 134,444.60 : x
  2. Step 2: Convert to fraction form
    169,695.80/254,543.70 = 134,444.60/x
  3. Step 3: Cross multiply
    169,695.80x = 254,543.70 × 134,444.60
  4. Step 4: Simplify right side
    169,695.80x = 34,222,025,929.02
  5. Step 5: Solve for x
    x = 34,222,025,929.02/169,695.80
  6. Step 6: Final answer
    x = 201,666.90

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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.