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Finding the Fourth Proportional to 186,242.86, 279,364.29 and 153,277.66

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Solution

The fourth proportional to 186,242.86, 279,364.29 and 153,277.66 is: 229,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,242.86 : 279,364.29 = 153,277.66 : x
  2. Step 2: Convert to fraction form
    186,242.86/279,364.29 = 153,277.66/x
  3. Step 3: Cross multiply
    186,242.86x = 279,364.29 × 153,277.66
  4. Step 4: Simplify right side
    186,242.86x = 42,820,304,658.76
  5. Step 5: Solve for x
    x = 42,820,304,658.76/186,242.86
  6. Step 6: Final answer
    x = 229,916.49

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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.