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Finding the Fourth Proportional to 162,068.93, 223,666.35 and 90,462.95

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Solution

The fourth proportional to 162,068.93, 223,666.35 and 90,462.95 is: 124,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,068.93 : 223,666.35 = 90,462.95 : x
  2. Step 2: Convert to fraction form
    162,068.93/223,666.35 = 90,462.95/x
  3. Step 3: Cross multiply
    162,068.93x = 223,666.35 × 90,462.95
  4. Step 4: Simplify right side
    162,068.93x = 20,233,517,836.73
  5. Step 5: Solve for x
    x = 20,233,517,836.73/162,068.93
  6. Step 6: Final answer
    x = 124,845.14

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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.