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Finding the Fourth Proportional to 93,992.58, 129,711.78 and 51,551.01

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Solution

The fourth proportional to 93,992.58, 129,711.78 and 51,551.01 is: 71,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,992.58 : 129,711.78 = 51,551.01 : x
  2. Step 2: Convert to fraction form
    93,992.58/129,711.78 = 51,551.01/x
  3. Step 3: Cross multiply
    93,992.58x = 129,711.78 × 51,551.01
  4. Step 4: Simplify right side
    93,992.58x = 6,686,773,267.90
  5. Step 5: Solve for x
    x = 6,686,773,267.90/93,992.58
  6. Step 6: Final answer
    x = 71,141.50

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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.