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Finding the Fourth Proportional to 555,366.32, 833,052.20 and 134,642.18

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Solution

The fourth proportional to 555,366.32, 833,052.20 and 134,642.18 is: 201,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,366.32 : 833,052.20 = 134,642.18 : x
  2. Step 2: Convert to fraction form
    555,366.32/833,052.20 = 134,642.18/x
  3. Step 3: Cross multiply
    555,366.32x = 833,052.20 × 134,642.18
  4. Step 4: Simplify right side
    555,366.32x = 112,163,964,261.80
  5. Step 5: Solve for x
    x = 112,163,964,261.80/555,366.32
  6. Step 6: Final answer
    x = 201,963.93

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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.