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Finding the Fourth Proportional to 73,097.79, 100,875.81 and 42,883.64

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Solution

The fourth proportional to 73,097.79, 100,875.81 and 42,883.64 is: 59,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,097.79 : 100,875.81 = 42,883.64 : x
  2. Step 2: Convert to fraction form
    73,097.79/100,875.81 = 42,883.64/x
  3. Step 3: Cross multiply
    73,097.79x = 100,875.81 × 42,883.64
  4. Step 4: Simplify right side
    73,097.79x = 4,325,921,416.37
  5. Step 5: Solve for x
    x = 4,325,921,416.37/73,097.79
  6. Step 6: Final answer
    x = 59,179.92

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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.