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Finding the Fourth Proportional to 154,885.84, 232,359 and 49,696.72

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Solution

The fourth proportional to 154,885.84, 232,359 and 49,696.72 is: 74,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,885.84 : 232,359 = 49,696.72 : x
  2. Step 2: Convert to fraction form
    154,885.84/232,359 = 49,696.72/x
  3. Step 3: Cross multiply
    154,885.84x = 232,359 × 49,696.72
  4. Step 4: Simplify right side
    154,885.84x = 11,547,480,162.48
  5. Step 5: Solve for x
    x = 11,547,480,162.48/154,885.84
  6. Step 6: Final answer
    x = 74,554.78

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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.