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Finding the Fourth Proportional to 186,554.78, 279,690.69 and 96,501.02

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Solution

The fourth proportional to 186,554.78, 279,690.69 and 96,501.02 is: 144,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,554.78 : 279,690.69 = 96,501.02 : x
  2. Step 2: Convert to fraction form
    186,554.78/279,690.69 = 96,501.02/x
  3. Step 3: Cross multiply
    186,554.78x = 279,690.69 × 96,501.02
  4. Step 4: Simplify right side
    186,554.78x = 26,990,436,869.50
  5. Step 5: Solve for x
    x = 26,990,436,869.50/186,554.78
  6. Step 6: Final answer
    x = 144,678.35

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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.