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Finding the Fourth Proportional to 93,055.68, 128,415.87 and 50,614.20

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Solution

The fourth proportional to 93,055.68, 128,415.87 and 50,614.20 is: 69,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,055.68 : 128,415.87 = 50,614.20 : x
  2. Step 2: Convert to fraction form
    93,055.68/128,415.87 = 50,614.20/x
  3. Step 3: Cross multiply
    93,055.68x = 128,415.87 × 50,614.20
  4. Step 4: Simplify right side
    93,055.68x = 6,499,666,527.35
  5. Step 5: Solve for x
    x = 6,499,666,527.35/93,055.68
  6. Step 6: Final answer
    x = 69,847.07

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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.