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Finding the Fourth Proportional to 66,270.99, 99,468.77 and 34,703.71

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Solution

The fourth proportional to 66,270.99, 99,468.77 and 34,703.71 is: 52,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.99 : 99,468.77 = 34,703.71 : x
  2. Step 2: Convert to fraction form
    66,270.99/99,468.77 = 34,703.71/x
  3. Step 3: Cross multiply
    66,270.99x = 99,468.77 × 34,703.71
  4. Step 4: Simplify right side
    66,270.99x = 3,451,934,925.95
  5. Step 5: Solve for x
    x = 3,451,934,925.95/66,270.99
  6. Step 6: Final answer
    x = 52,088.18

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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.