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Finding the Fourth Proportional to 157,003.38, 216,588.42 and 93,296.07

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Solution

The fourth proportional to 157,003.38, 216,588.42 and 93,296.07 is: 128,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,003.38 : 216,588.42 = 93,296.07 : x
  2. Step 2: Convert to fraction form
    157,003.38/216,588.42 = 93,296.07/x
  3. Step 3: Cross multiply
    157,003.38x = 216,588.42 × 93,296.07
  4. Step 4: Simplify right side
    157,003.38x = 20,206,848,393.51
  5. Step 5: Solve for x
    x = 20,206,848,393.51/157,003.38
  6. Step 6: Final answer
    x = 128,703.27

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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.