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Finding the Fourth Proportional to 93,618, 129,192.84 and 51,176.84

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Solution

The fourth proportional to 93,618, 129,192.84 and 51,176.84 is: 70,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,618 : 129,192.84 = 51,176.84 : x
  2. Step 2: Convert to fraction form
    93,618/129,192.84 = 51,176.84/x
  3. Step 3: Cross multiply
    93,618x = 129,192.84 × 51,176.84
  4. Step 4: Simplify right side
    93,618x = 6,611,680,655.86
  5. Step 5: Solve for x
    x = 6,611,680,655.86/93,618
  6. Step 6: Final answer
    x = 70,624.03

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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.