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Finding the Fourth Proportional to 97,193.68, 133,155.88 and 93,553.36

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Solution

The fourth proportional to 97,193.68, 133,155.88 and 93,553.36 is: 128,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,193.68 : 133,155.88 = 93,553.36 : x
  2. Step 2: Convert to fraction form
    97,193.68/133,155.88 = 93,553.36/x
  3. Step 3: Cross multiply
    97,193.68x = 133,155.88 × 93,553.36
  4. Step 4: Simplify right side
    97,193.68x = 12,457,179,977.76
  5. Step 5: Solve for x
    x = 12,457,179,977.76/97,193.68
  6. Step 6: Final answer
    x = 128,168.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.