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Finding the Fourth Proportional to 104,035.80, 156,053.70 and 93,538.20

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Solution

The fourth proportional to 104,035.80, 156,053.70 and 93,538.20 is: 140,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,035.80 : 156,053.70 = 93,538.20 : x
  2. Step 2: Convert to fraction form
    104,035.80/156,053.70 = 93,538.20/x
  3. Step 3: Cross multiply
    104,035.80x = 156,053.70 × 93,538.20
  4. Step 4: Simplify right side
    104,035.80x = 14,596,982,201.34
  5. Step 5: Solve for x
    x = 14,596,982,201.34/104,035.80
  6. Step 6: Final answer
    x = 140,307.30

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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.