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Finding the Fourth Proportional to 185,308.99, 277,963.47 and 45,066.40

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Solution

The fourth proportional to 185,308.99, 277,963.47 and 45,066.40 is: 67,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,308.99 : 277,963.47 = 45,066.40 : x
  2. Step 2: Convert to fraction form
    185,308.99/277,963.47 = 45,066.40/x
  3. Step 3: Cross multiply
    185,308.99x = 277,963.47 × 45,066.40
  4. Step 4: Simplify right side
    185,308.99x = 12,526,812,924.41
  5. Step 5: Solve for x
    x = 12,526,812,924.41/185,308.99
  6. Step 6: Final answer
    x = 67,599.60

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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.