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Finding the Fourth Proportional to 117,700.40, 176,550.60 and 62,404.40

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Solution

The fourth proportional to 117,700.40, 176,550.60 and 62,404.40 is: 93,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.40 : 176,550.60 = 62,404.40 : x
  2. Step 2: Convert to fraction form
    117,700.40/176,550.60 = 62,404.40/x
  3. Step 3: Cross multiply
    117,700.40x = 176,550.60 × 62,404.40
  4. Step 4: Simplify right side
    117,700.40x = 11,017,534,262.64
  5. Step 5: Solve for x
    x = 11,017,534,262.64/117,700.40
  6. Step 6: Final answer
    x = 93,606.60

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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.