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Finding the Fourth Proportional to 93,225.30, 128,651.75 and 52,939.90

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Solution

The fourth proportional to 93,225.30, 128,651.75 and 52,939.90 is: 73,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.30 : 128,651.75 = 52,939.90 : x
  2. Step 2: Convert to fraction form
    93,225.30/128,651.75 = 52,939.90/x
  3. Step 3: Cross multiply
    93,225.30x = 128,651.75 × 52,939.90
  4. Step 4: Simplify right side
    93,225.30x = 6,810,810,779.83
  5. Step 5: Solve for x
    x = 6,810,810,779.83/93,225.30
  6. Step 6: Final answer
    x = 73,057.54

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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.