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Finding the Fourth Proportional to 272,140.60, 408,113.70 and 94,653.40

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Solution

The fourth proportional to 272,140.60, 408,113.70 and 94,653.40 is: 141,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,140.60 : 408,113.70 = 94,653.40 : x
  2. Step 2: Convert to fraction form
    272,140.60/408,113.70 = 94,653.40/x
  3. Step 3: Cross multiply
    272,140.60x = 408,113.70 × 94,653.40
  4. Step 4: Simplify right side
    272,140.60x = 38,629,349,291.58
  5. Step 5: Solve for x
    x = 38,629,349,291.58/272,140.60
  6. Step 6: Final answer
    x = 141,946.29

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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.