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Finding the Fourth Proportional to 110,066.66, 151,892.64 and 64,746.48

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Solution

The fourth proportional to 110,066.66, 151,892.64 and 64,746.48 is: 89,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,066.66 : 151,892.64 = 64,746.48 : x
  2. Step 2: Convert to fraction form
    110,066.66/151,892.64 = 64,746.48/x
  3. Step 3: Cross multiply
    110,066.66x = 151,892.64 × 64,746.48
  4. Step 4: Simplify right side
    110,066.66x = 9,834,513,777.91
  5. Step 5: Solve for x
    x = 9,834,513,777.91/110,066.66
  6. Step 6: Final answer
    x = 89,350.53

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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.