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Finding the Fourth Proportional to 109,651.66, 151,319.70 and 59,350.66

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Solution

The fourth proportional to 109,651.66, 151,319.70 and 59,350.66 is: 81,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,651.66 : 151,319.70 = 59,350.66 : x
  2. Step 2: Convert to fraction form
    109,651.66/151,319.70 = 59,350.66/x
  3. Step 3: Cross multiply
    109,651.66x = 151,319.70 × 59,350.66
  4. Step 4: Simplify right side
    109,651.66x = 8,980,924,066.00
  5. Step 5: Solve for x
    x = 8,980,924,066.00/109,651.66
  6. Step 6: Final answer
    x = 81,904.13

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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.