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Finding the Fourth Proportional to 222,603.30, 307,599.93 and 162,068.88

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Solution

The fourth proportional to 222,603.30, 307,599.93 and 162,068.88 is: 223,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,603.30 : 307,599.93 = 162,068.88 : x
  2. Step 2: Convert to fraction form
    222,603.30/307,599.93 = 162,068.88/x
  3. Step 3: Cross multiply
    222,603.30x = 307,599.93 × 162,068.88
  4. Step 4: Simplify right side
    222,603.30x = 49,852,376,143.18
  5. Step 5: Solve for x
    x = 49,852,376,143.18/222,603.30
  6. Step 6: Final answer
    x = 223,951.65

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1.5x scale

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.