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Finding the Fourth Proportional to 93,804.84, 129,450.89 and 50,784.79

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Solution

The fourth proportional to 93,804.84, 129,450.89 and 50,784.79 is: 70,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,804.84 : 129,450.89 = 50,784.79 : x
  2. Step 2: Convert to fraction form
    93,804.84/129,450.89 = 50,784.79/x
  3. Step 3: Cross multiply
    93,804.84x = 129,450.89 × 50,784.79
  4. Step 4: Simplify right side
    93,804.84x = 6,574,136,227.05
  5. Step 5: Solve for x
    x = 6,574,136,227.05/93,804.84
  6. Step 6: Final answer
    x = 70,083.12

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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.