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Finding the Fourth Proportional to 268,160.94, 370,043.91 and 147,307.32

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Solution

The fourth proportional to 268,160.94, 370,043.91 and 147,307.32 is: 203,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,160.94 : 370,043.91 = 147,307.32 : x
  2. Step 2: Convert to fraction form
    268,160.94/370,043.91 = 147,307.32/x
  3. Step 3: Cross multiply
    268,160.94x = 370,043.91 × 147,307.32
  4. Step 4: Simplify right side
    268,160.94x = 54,510,176,664.42
  5. Step 5: Solve for x
    x = 54,510,176,664.42/268,160.94
  6. Step 6: Final answer
    x = 203,274.11

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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.