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Finding the Fourth Proportional to 177,812.60, 266,062.80 and 162,066.20

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Solution

The fourth proportional to 177,812.60, 266,062.80 and 162,066.20 is: 242,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,812.60 : 266,062.80 = 162,066.20 : x
  2. Step 2: Convert to fraction form
    177,812.60/266,062.80 = 162,066.20/x
  3. Step 3: Cross multiply
    177,812.60x = 266,062.80 × 162,066.20
  4. Step 4: Simplify right side
    177,812.60x = 43,119,786,957.36
  5. Step 5: Solve for x
    x = 43,119,786,957.36/177,812.60
  6. Step 6: Final answer
    x = 242,501.30

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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.