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Finding the Fourth Proportional to 186,658.49, 279,988.85 and 46,417.12

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Solution

The fourth proportional to 186,658.49, 279,988.85 and 46,417.12 is: 69,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,658.49 : 279,988.85 = 46,417.12 : x
  2. Step 2: Convert to fraction form
    186,658.49/279,988.85 = 46,417.12/x
  3. Step 3: Cross multiply
    186,658.49x = 279,988.85 × 46,417.12
  4. Step 4: Simplify right side
    186,658.49x = 12,996,276,049.11
  5. Step 5: Solve for x
    x = 12,996,276,049.11/186,658.49
  6. Step 6: Final answer
    x = 69,625.96

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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.