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Finding the Fourth Proportional to 162,290.97, 223,923.16 and 94,267.53

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Solution

The fourth proportional to 162,290.97, 223,923.16 and 94,267.53 is: 130,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,290.97 : 223,923.16 = 94,267.53 : x
  2. Step 2: Convert to fraction form
    162,290.97/223,923.16 = 94,267.53/x
  3. Step 3: Cross multiply
    162,290.97x = 223,923.16 × 94,267.53
  4. Step 4: Simplify right side
    162,290.97x = 21,108,681,612.04
  5. Step 5: Solve for x
    x = 21,108,681,612.04/162,290.97
  6. Step 6: Final answer
    x = 130,066.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.