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Finding the Fourth Proportional to 114,393.38, 157,866.93 and 69,062.51

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Solution

The fourth proportional to 114,393.38, 157,866.93 and 69,062.51 is: 95,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,393.38 : 157,866.93 = 69,062.51 : x
  2. Step 2: Convert to fraction form
    114,393.38/157,866.93 = 69,062.51/x
  3. Step 3: Cross multiply
    114,393.38x = 157,866.93 × 69,062.51
  4. Step 4: Simplify right side
    114,393.38x = 10,902,686,431.79
  5. Step 5: Solve for x
    x = 10,902,686,431.79/114,393.38
  6. Step 6: Final answer
    x = 95,308.72

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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.