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Finding the Fourth Proportional to 181,459.01, 250,417.50 and 99,782.09

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Solution

The fourth proportional to 181,459.01, 250,417.50 and 99,782.09 is: 137,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,459.01 : 250,417.50 = 99,782.09 : x
  2. Step 2: Convert to fraction form
    181,459.01/250,417.50 = 99,782.09/x
  3. Step 3: Cross multiply
    181,459.01x = 250,417.50 × 99,782.09
  4. Step 4: Simplify right side
    181,459.01x = 24,987,180,896.53
  5. Step 5: Solve for x
    x = 24,987,180,896.53/181,459.01
  6. Step 6: Final answer
    x = 137,701.51

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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.