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Finding the Fourth Proportional to 93,295.25, 128,747.48 and 53,009.07

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Solution

The fourth proportional to 93,295.25, 128,747.48 and 53,009.07 is: 73,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.25 : 128,747.48 = 53,009.07 : x
  2. Step 2: Convert to fraction form
    93,295.25/128,747.48 = 53,009.07/x
  3. Step 3: Cross multiply
    93,295.25x = 128,747.48 × 53,009.07
  4. Step 4: Simplify right side
    93,295.25x = 6,824,783,431.80
  5. Step 5: Solve for x
    x = 6,824,783,431.80/93,295.25
  6. Step 6: Final answer
    x = 73,152.53

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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.