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Finding the Fourth Proportional to 178,159.64, 245,690.64 and 106,528.04

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Solution

The fourth proportional to 178,159.64, 245,690.64 and 106,528.04 is: 146,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,159.64 : 245,690.64 = 106,528.04 : x
  2. Step 2: Convert to fraction form
    178,159.64/245,690.64 = 106,528.04/x
  3. Step 3: Cross multiply
    178,159.64x = 245,690.64 × 106,528.04
  4. Step 4: Simplify right side
    178,159.64x = 26,172,942,325.55
  5. Step 5: Solve for x
    x = 26,172,942,325.55/178,159.64
  6. Step 6: Final answer
    x = 146,907.25

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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.