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Finding the Fourth Proportional to 471,045.04, 706,550.91 and 134,087.47

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Solution

The fourth proportional to 471,045.04, 706,550.91 and 134,087.47 is: 201,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,045.04 : 706,550.91 = 134,087.47 : x
  2. Step 2: Convert to fraction form
    471,045.04/706,550.91 = 134,087.47/x
  3. Step 3: Cross multiply
    471,045.04x = 706,550.91 × 134,087.47
  4. Step 4: Simplify right side
    471,045.04x = 94,739,623,948.10
  5. Step 5: Solve for x
    x = 94,739,623,948.10/471,045.04
  6. Step 6: Final answer
    x = 201,126.47

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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.