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Finding the Fourth Proportional to 93,882.58, 129,554.94 and 51,440.20

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Solution

The fourth proportional to 93,882.58, 129,554.94 and 51,440.20 is: 70,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,882.58 : 129,554.94 = 51,440.20 : x
  2. Step 2: Convert to fraction form
    93,882.58/129,554.94 = 51,440.20/x
  3. Step 3: Cross multiply
    93,882.58x = 129,554.94 × 51,440.20
  4. Step 4: Simplify right side
    93,882.58x = 6,664,331,893.60
  5. Step 5: Solve for x
    x = 6,664,331,893.60/93,882.58
  6. Step 6: Final answer
    x = 70,985.82

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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.