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Finding the Fourth Proportional to 186,625.60, 279,938.40 and 176,516.80

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Solution

The fourth proportional to 186,625.60, 279,938.40 and 176,516.80 is: 264,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625.60 : 279,938.40 = 176,516.80 : x
  2. Step 2: Convert to fraction form
    186,625.60/279,938.40 = 176,516.80/x
  3. Step 3: Cross multiply
    186,625.60x = 279,938.40 × 176,516.80
  4. Step 4: Simplify right side
    186,625.60x = 49,413,830,565.12
  5. Step 5: Solve for x
    x = 49,413,830,565.12/186,625.60
  6. Step 6: Final answer
    x = 264,775.20

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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.