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Finding the Fourth Proportional to 93,097.50, 128,473.47 and 50,655.30

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Solution

The fourth proportional to 93,097.50, 128,473.47 and 50,655.30 is: 69,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,097.50 : 128,473.47 = 50,655.30 : x
  2. Step 2: Convert to fraction form
    93,097.50/128,473.47 = 50,655.30/x
  3. Step 3: Cross multiply
    93,097.50x = 128,473.47 × 50,655.30
  4. Step 4: Simplify right side
    93,097.50x = 6,507,862,164.89
  5. Step 5: Solve for x
    x = 6,507,862,164.89/93,097.50
  6. Step 6: Final answer
    x = 69,903.73

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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.