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Finding the Fourth Proportional to 177,698.60, 266,159.10 and 154,370.60

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Solution

The fourth proportional to 177,698.60, 266,159.10 and 154,370.60 is: 231,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,698.60 : 266,159.10 = 154,370.60 : x
  2. Step 2: Convert to fraction form
    177,698.60/266,159.10 = 154,370.60/x
  3. Step 3: Cross multiply
    177,698.60x = 266,159.10 × 154,370.60
  4. Step 4: Simplify right side
    177,698.60x = 41,087,139,962.46
  5. Step 5: Solve for x
    x = 41,087,139,962.46/177,698.60
  6. Step 6: Final answer
    x = 231,218.14

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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.