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Finding the Fourth Proportional to 112,264.64, 154,952.16 and 67,544

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Solution

The fourth proportional to 112,264.64, 154,952.16 and 67,544 is: 93,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.64 : 154,952.16 = 67,544 : x
  2. Step 2: Convert to fraction form
    112,264.64/154,952.16 = 67,544/x
  3. Step 3: Cross multiply
    112,264.64x = 154,952.16 × 67,544
  4. Step 4: Simplify right side
    112,264.64x = 10,466,088,695.04
  5. Step 5: Solve for x
    x = 10,466,088,695.04/112,264.64
  6. Step 6: Final answer
    x = 93,226.94

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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.