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Finding the Fourth Proportional to 121,807.58, 182,742.90 and 37,565.89

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Solution

The fourth proportional to 121,807.58, 182,742.90 and 37,565.89 is: 56,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,807.58 : 182,742.90 = 37,565.89 : x
  2. Step 2: Convert to fraction form
    121,807.58/182,742.90 = 37,565.89/x
  3. Step 3: Cross multiply
    121,807.58x = 182,742.90 × 37,565.89
  4. Step 4: Simplify right side
    121,807.58x = 6,864,899,222.82
  5. Step 5: Solve for x
    x = 6,864,899,222.82/121,807.58
  6. Step 6: Final answer
    x = 56,358.55

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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.