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Finding the Fourth Proportional to 75,341.66, 112,742.66 and 65,245.01

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Solution

The fourth proportional to 75,341.66, 112,742.66 and 65,245.01 is: 97,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.66 : 112,742.66 = 65,245.01 : x
  2. Step 2: Convert to fraction form
    75,341.66/112,742.66 = 65,245.01/x
  3. Step 3: Cross multiply
    75,341.66x = 112,742.66 × 65,245.01
  4. Step 4: Simplify right side
    75,341.66x = 7,355,895,089.19
  5. Step 5: Solve for x
    x = 7,355,895,089.19/75,341.66
  6. Step 6: Final answer
    x = 97,633.84

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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.