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Finding the Fourth Proportional to 186,177.08, 279,223.56 and 53,054.48

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Solution

The fourth proportional to 186,177.08, 279,223.56 and 53,054.48 is: 79,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,177.08 : 279,223.56 = 53,054.48 : x
  2. Step 2: Convert to fraction form
    186,177.08/279,223.56 = 53,054.48/x
  3. Step 3: Cross multiply
    186,177.08x = 279,223.56 × 53,054.48
  4. Step 4: Simplify right side
    186,177.08x = 14,814,060,779.55
  5. Step 5: Solve for x
    x = 14,814,060,779.55/186,177.08
  6. Step 6: Final answer
    x = 79,569.73

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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.