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Finding the Fourth Proportional to 122,148.60, 183,156.48 and 37,885.92

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Solution

The fourth proportional to 122,148.60, 183,156.48 and 37,885.92 is: 56,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,148.60 : 183,156.48 = 37,885.92 : x
  2. Step 2: Convert to fraction form
    122,148.60/183,156.48 = 37,885.92/x
  3. Step 3: Cross multiply
    122,148.60x = 183,156.48 × 37,885.92
  4. Step 4: Simplify right side
    122,148.60x = 6,939,051,748.76
  5. Step 5: Solve for x
    x = 6,939,051,748.76/122,148.60
  6. Step 6: Final answer
    x = 56,808.28

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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.