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Finding the Fourth Proportional to 93,951.46, 129,658.32 and 55,733.64

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Solution

The fourth proportional to 93,951.46, 129,658.32 and 55,733.64 is: 76,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,951.46 : 129,658.32 = 55,733.64 : x
  2. Step 2: Convert to fraction form
    93,951.46/129,658.32 = 55,733.64/x
  3. Step 3: Cross multiply
    93,951.46x = 129,658.32 × 55,733.64
  4. Step 4: Simplify right side
    93,951.46x = 7,226,329,643.67
  5. Step 5: Solve for x
    x = 7,226,329,643.67/93,951.46
  6. Step 6: Final answer
    x = 76,915.56

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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.