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Finding the Fourth Proportional to 302,066.91, 453,071.12 and 91,706.67

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Solution

The fourth proportional to 302,066.91, 453,071.12 and 91,706.67 is: 137,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,066.91 : 453,071.12 = 91,706.67 : x
  2. Step 2: Convert to fraction form
    302,066.91/453,071.12 = 91,706.67/x
  3. Step 3: Cross multiply
    302,066.91x = 453,071.12 × 91,706.67
  4. Step 4: Simplify right side
    302,066.91x = 41,549,643,229.84
  5. Step 5: Solve for x
    x = 41,549,643,229.84/302,066.91
  6. Step 6: Final answer
    x = 137,551.12

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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.