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Finding the Fourth Proportional to 123,900.86, 185,848.26 and 35,154.50

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Solution

The fourth proportional to 123,900.86, 185,848.26 and 35,154.50 is: 52,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900.86 : 185,848.26 = 35,154.50 : x
  2. Step 2: Convert to fraction form
    123,900.86/185,848.26 = 35,154.50/x
  3. Step 3: Cross multiply
    123,900.86x = 185,848.26 × 35,154.50
  4. Step 4: Simplify right side
    123,900.86x = 6,533,402,656.17
  5. Step 5: Solve for x
    x = 6,533,402,656.17/123,900.86
  6. Step 6: Final answer
    x = 52,730.89

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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.