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Finding the Fourth Proportional to 104,635.60, 156,953.40 and 91,513.60

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Solution

The fourth proportional to 104,635.60, 156,953.40 and 91,513.60 is: 137,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.60 : 156,953.40 = 91,513.60 : x
  2. Step 2: Convert to fraction form
    104,635.60/156,953.40 = 91,513.60/x
  3. Step 3: Cross multiply
    104,635.60x = 156,953.40 × 91,513.60
  4. Step 4: Simplify right side
    104,635.60x = 14,363,370,666.24
  5. Step 5: Solve for x
    x = 14,363,370,666.24/104,635.60
  6. Step 6: Final answer
    x = 137,270.40

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1.5x scale

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.