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Finding the Fourth Proportional to 156,969.60, 234,916.80 and 94,684.80

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Solution

The fourth proportional to 156,969.60, 234,916.80 and 94,684.80 is: 141,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.60 : 234,916.80 = 94,684.80 : x
  2. Step 2: Convert to fraction form
    156,969.60/234,916.80 = 94,684.80/x
  3. Step 3: Cross multiply
    156,969.60x = 234,916.80 × 94,684.80
  4. Step 4: Simplify right side
    156,969.60x = 22,243,050,224.64
  5. Step 5: Solve for x
    x = 22,243,050,224.64/156,969.60
  6. Step 6: Final answer
    x = 141,702.92

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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.