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Finding the Fourth Proportional to 162,071.93, 223,670.49 and 90,465.95

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Solution

The fourth proportional to 162,071.93, 223,670.49 and 90,465.95 is: 124,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,071.93 : 223,670.49 = 90,465.95 : x
  2. Step 2: Convert to fraction form
    162,071.93/223,670.49 = 90,465.95/x
  3. Step 3: Cross multiply
    162,071.93x = 223,670.49 × 90,465.95
  4. Step 4: Simplify right side
    162,071.93x = 20,234,563,364.82
  5. Step 5: Solve for x
    x = 20,234,563,364.82/162,071.93
  6. Step 6: Final answer
    x = 124,849.28

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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.