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Finding the Fourth Proportional to 93,382.44, 128,862.52 and 53,090.52

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Solution

The fourth proportional to 93,382.44, 128,862.52 and 53,090.52 is: 73,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.44 : 128,862.52 = 53,090.52 : x
  2. Step 2: Convert to fraction form
    93,382.44/128,862.52 = 53,090.52/x
  3. Step 3: Cross multiply
    93,382.44x = 128,862.52 × 53,090.52
  4. Step 4: Simplify right side
    93,382.44x = 6,841,378,195.31
  5. Step 5: Solve for x
    x = 6,841,378,195.31/93,382.44
  6. Step 6: Final answer
    x = 73,261.93

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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.