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Finding the Fourth Proportional to 191,504.60, 287,256.90 and 51,263.23

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Solution

The fourth proportional to 191,504.60, 287,256.90 and 51,263.23 is: 76,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,504.60 : 287,256.90 = 51,263.23 : x
  2. Step 2: Convert to fraction form
    191,504.60/287,256.90 = 51,263.23/x
  3. Step 3: Cross multiply
    191,504.60x = 287,256.90 × 51,263.23
  4. Step 4: Simplify right side
    191,504.60x = 14,725,716,533.79
  5. Step 5: Solve for x
    x = 14,725,716,533.79/191,504.60
  6. Step 6: Final answer
    x = 76,894.85

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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.