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Finding the Fourth Proportional to 125,184.60, 172,751.11 and 73,500.83

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Solution

The fourth proportional to 125,184.60, 172,751.11 and 73,500.83 is: 101,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,184.60 : 172,751.11 = 73,500.83 : x
  2. Step 2: Convert to fraction form
    125,184.60/172,751.11 = 73,500.83/x
  3. Step 3: Cross multiply
    125,184.60x = 172,751.11 × 73,500.83
  4. Step 4: Simplify right side
    125,184.60x = 12,697,349,968.42
  5. Step 5: Solve for x
    x = 12,697,349,968.42/125,184.60
  6. Step 6: Final answer
    x = 101,429.01

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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.