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Finding the Fourth Proportional to 181,453.51, 250,412.23 and 99,787.97

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Solution

The fourth proportional to 181,453.51, 250,412.23 and 99,787.97 is: 137,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,453.51 : 250,412.23 = 99,787.97 : x
  2. Step 2: Convert to fraction form
    181,453.51/250,412.23 = 99,787.97/x
  3. Step 3: Cross multiply
    181,453.51x = 250,412.23 × 99,787.97
  4. Step 4: Simplify right side
    181,453.51x = 24,988,128,094.87
  5. Step 5: Solve for x
    x = 24,988,128,094.87/181,453.51
  6. Step 6: Final answer
    x = 137,710.91

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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.