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Finding the Fourth Proportional to 93,225.27, 128,647.67 and 52,938.30

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Solution

The fourth proportional to 93,225.27, 128,647.67 and 52,938.30 is: 73,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.27 : 128,647.67 = 52,938.30 : x
  2. Step 2: Convert to fraction form
    93,225.27/128,647.67 = 52,938.30/x
  3. Step 3: Cross multiply
    93,225.27x = 128,647.67 × 52,938.30
  4. Step 4: Simplify right side
    93,225.27x = 6,810,388,684.07
  5. Step 5: Solve for x
    x = 6,810,388,684.07/93,225.27
  6. Step 6: Final answer
    x = 73,053.03

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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.