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Finding the Fourth Proportional to 71,322.76, 106,925.80 and 26,924.28

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Solution

The fourth proportional to 71,322.76, 106,925.80 and 26,924.28 is: 40,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,322.76 : 106,925.80 = 26,924.28 : x
  2. Step 2: Convert to fraction form
    71,322.76/106,925.80 = 26,924.28/x
  3. Step 3: Cross multiply
    71,322.76x = 106,925.80 × 26,924.28
  4. Step 4: Simplify right side
    71,322.76x = 2,878,900,178.42
  5. Step 5: Solve for x
    x = 2,878,900,178.42/71,322.76
  6. Step 6: Final answer
    x = 40,364.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.