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Finding the Fourth Proportional to 117,678.96, 176,419.22 and 51,068.92

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Solution

The fourth proportional to 117,678.96, 176,419.22 and 51,068.92 is: 76,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,678.96 : 176,419.22 = 51,068.92 : x
  2. Step 2: Convert to fraction form
    117,678.96/176,419.22 = 51,068.92/x
  3. Step 3: Cross multiply
    117,678.96x = 176,419.22 × 51,068.92
  4. Step 4: Simplify right side
    117,678.96x = 9,009,539,032.64
  5. Step 5: Solve for x
    x = 9,009,539,032.64/117,678.96
  6. Step 6: Final answer
    x = 76,560.32

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1.5x scale

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.