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Finding the Fourth Proportional to 93,484.96, 129,008.08 and 51,043.04

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Solution

The fourth proportional to 93,484.96, 129,008.08 and 51,043.04 is: 70,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,484.96 : 129,008.08 = 51,043.04 : x
  2. Step 2: Convert to fraction form
    93,484.96/129,008.08 = 51,043.04/x
  3. Step 3: Cross multiply
    93,484.96x = 129,008.08 × 51,043.04
  4. Step 4: Simplify right side
    93,484.96x = 6,584,964,587.76
  5. Step 5: Solve for x
    x = 6,584,964,587.76/93,484.96
  6. Step 6: Final answer
    x = 70,438.76

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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.