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Finding the Fourth Proportional to 93,360.92, 139,915.80 and 51,177.74

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Solution

The fourth proportional to 93,360.92, 139,915.80 and 51,177.74 is: 76,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,360.92 : 139,915.80 = 51,177.74 : x
  2. Step 2: Convert to fraction form
    93,360.92/139,915.80 = 51,177.74/x
  3. Step 3: Cross multiply
    93,360.92x = 139,915.80 × 51,177.74
  4. Step 4: Simplify right side
    93,360.92x = 7,160,573,734.71
  5. Step 5: Solve for x
    x = 7,160,573,734.71/93,360.92
  6. Step 6: Final answer
    x = 76,697.77

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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.