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Finding the Fourth Proportional to 177,697.30, 266,108.55 and 118,210.90

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Solution

The fourth proportional to 177,697.30, 266,108.55 and 118,210.90 is: 177,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,697.30 : 266,108.55 = 118,210.90 : x
  2. Step 2: Convert to fraction form
    177,697.30/266,108.55 = 118,210.90/x
  3. Step 3: Cross multiply
    177,697.30x = 266,108.55 × 118,210.90
  4. Step 4: Simplify right side
    177,697.30x = 31,456,931,193.20
  5. Step 5: Solve for x
    x = 31,456,931,193.20/177,697.30
  6. Step 6: Final answer
    x = 177,025.38

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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.