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Finding the Fourth Proportional to 93,801.76, 129,446.80 and 51,360.96

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Solution

The fourth proportional to 93,801.76, 129,446.80 and 51,360.96 is: 70,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,801.76 : 129,446.80 = 51,360.96 : x
  2. Step 2: Convert to fraction form
    93,801.76/129,446.80 = 51,360.96/x
  3. Step 3: Cross multiply
    93,801.76x = 129,446.80 × 51,360.96
  4. Step 4: Simplify right side
    93,801.76x = 6,648,511,916.93
  5. Step 5: Solve for x
    x = 6,648,511,916.93/93,801.76
  6. Step 6: Final answer
    x = 70,878.33

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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.