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Finding the Fourth Proportional to 93,171.62, 128,595.04 and 59,219.66

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Solution

The fourth proportional to 93,171.62, 128,595.04 and 59,219.66 is: 81,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,171.62 : 128,595.04 = 59,219.66 : x
  2. Step 2: Convert to fraction form
    93,171.62/128,595.04 = 59,219.66/x
  3. Step 3: Cross multiply
    93,171.62x = 128,595.04 × 59,219.66
  4. Step 4: Simplify right side
    93,171.62x = 7,615,354,546.49
  5. Step 5: Solve for x
    x = 7,615,354,546.49/93,171.62
  6. Step 6: Final answer
    x = 81,734.70

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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.