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Finding the Fourth Proportional to 93,301.51, 128,751.24 and 53,009.68

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Solution

The fourth proportional to 93,301.51, 128,751.24 and 53,009.68 is: 73,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301.51 : 128,751.24 = 53,009.68 : x
  2. Step 2: Convert to fraction form
    93,301.51/128,751.24 = 53,009.68/x
  3. Step 3: Cross multiply
    93,301.51x = 128,751.24 × 53,009.68
  4. Step 4: Simplify right side
    93,301.51x = 6,825,062,032.00
  5. Step 5: Solve for x
    x = 6,825,062,032.00/93,301.51
  6. Step 6: Final answer
    x = 73,150.61

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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.