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Finding the Fourth Proportional to 64,080.90, 96,066.62 and 45,301.86

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Solution

The fourth proportional to 64,080.90, 96,066.62 and 45,301.86 is: 67,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.90 : 96,066.62 = 45,301.86 : x
  2. Step 2: Convert to fraction form
    64,080.90/96,066.62 = 45,301.86/x
  3. Step 3: Cross multiply
    64,080.90x = 96,066.62 × 45,301.86
  4. Step 4: Simplify right side
    64,080.90x = 4,351,996,569.91
  5. Step 5: Solve for x
    x = 4,351,996,569.91/64,080.90
  6. Step 6: Final answer
    x = 67,914.10

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1.5x scale

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.