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Finding the Fourth Proportional to 121,858, 182,775.42 and 37,595.53

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Solution

The fourth proportional to 121,858, 182,775.42 and 37,595.53 is: 56,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,858 : 182,775.42 = 37,595.53 : x
  2. Step 2: Convert to fraction form
    121,858/182,775.42 = 37,595.53/x
  3. Step 3: Cross multiply
    121,858x = 182,775.42 × 37,595.53
  4. Step 4: Simplify right side
    121,858x = 6,871,538,785.87
  5. Step 5: Solve for x
    x = 6,871,538,785.87/121,858
  6. Step 6: Final answer
    x = 56,389.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.