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Finding the Fourth Proportional to 93,337, 128,800.38 and 53,045.44

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Solution

The fourth proportional to 93,337, 128,800.38 and 53,045.44 is: 73,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,337 : 128,800.38 = 53,045.44 : x
  2. Step 2: Convert to fraction form
    93,337/128,800.38 = 53,045.44/x
  3. Step 3: Cross multiply
    93,337x = 128,800.38 × 53,045.44
  4. Step 4: Simplify right side
    93,337x = 6,832,272,829.27
  5. Step 5: Solve for x
    x = 6,832,272,829.27/93,337
  6. Step 6: Final answer
    x = 73,200.05

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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.