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Finding the Fourth Proportional to 169,666.80, 254,500.20 and 155,232.60

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Solution

The fourth proportional to 169,666.80, 254,500.20 and 155,232.60 is: 232,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666.80 : 254,500.20 = 155,232.60 : x
  2. Step 2: Convert to fraction form
    169,666.80/254,500.20 = 155,232.60/x
  3. Step 3: Cross multiply
    169,666.80x = 254,500.20 × 155,232.60
  4. Step 4: Simplify right side
    169,666.80x = 39,506,727,746.52
  5. Step 5: Solve for x
    x = 39,506,727,746.52/169,666.80
  6. Step 6: Final answer
    x = 232,848.90

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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.