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Finding the Fourth Proportional to 93,295.52, 128,747.85 and 53,009.33

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Solution

The fourth proportional to 93,295.52, 128,747.85 and 53,009.33 is: 73,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.52 : 128,747.85 = 53,009.33 : x
  2. Step 2: Convert to fraction form
    93,295.52/128,747.85 = 53,009.33/x
  3. Step 3: Cross multiply
    93,295.52x = 128,747.85 × 53,009.33
  4. Step 4: Simplify right side
    93,295.52x = 6,824,837,267.44
  5. Step 5: Solve for x
    x = 6,824,837,267.44/93,295.52
  6. Step 6: Final answer
    x = 73,152.89

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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.