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Finding the Fourth Proportional to 93,572.67, 129,093.67 and 57,700.40

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Solution

The fourth proportional to 93,572.67, 129,093.67 and 57,700.40 is: 79,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,572.67 : 129,093.67 = 57,700.40 : x
  2. Step 2: Convert to fraction form
    93,572.67/129,093.67 = 57,700.40/x
  3. Step 3: Cross multiply
    93,572.67x = 129,093.67 × 57,700.40
  4. Step 4: Simplify right side
    93,572.67x = 7,448,756,107.97
  5. Step 5: Solve for x
    x = 7,448,756,107.97/93,572.67
  6. Step 6: Final answer
    x = 79,603.97

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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.