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Finding the Fourth Proportional to 93,850.10, 129,482.13 and 57,538.10

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Solution

The fourth proportional to 93,850.10, 129,482.13 and 57,538.10 is: 79,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,850.10 : 129,482.13 = 57,538.10 : x
  2. Step 2: Convert to fraction form
    93,850.10/129,482.13 = 57,538.10/x
  3. Step 3: Cross multiply
    93,850.10x = 129,482.13 × 57,538.10
  4. Step 4: Simplify right side
    93,850.10x = 7,450,155,744.15
  5. Step 5: Solve for x
    x = 7,450,155,744.15/93,850.10
  6. Step 6: Final answer
    x = 79,383.57

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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.