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Finding the Fourth Proportional to 116,483.52, 160,750.80 and 68,777.76

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Solution

The fourth proportional to 116,483.52, 160,750.80 and 68,777.76 is: 94,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,483.52 : 160,750.80 = 68,777.76 : x
  2. Step 2: Convert to fraction form
    116,483.52/160,750.80 = 68,777.76/x
  3. Step 3: Cross multiply
    116,483.52x = 160,750.80 × 68,777.76
  4. Step 4: Simplify right side
    116,483.52x = 11,056,079,942.21
  5. Step 5: Solve for x
    x = 11,056,079,942.21/116,483.52
  6. Step 6: Final answer
    x = 94,915.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.