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Finding the Fourth Proportional to 104,726.70, 157,090.05 and 93,354.30

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Solution

The fourth proportional to 104,726.70, 157,090.05 and 93,354.30 is: 140,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.70 : 157,090.05 = 93,354.30 : x
  2. Step 2: Convert to fraction form
    104,726.70/157,090.05 = 93,354.30/x
  3. Step 3: Cross multiply
    104,726.70x = 157,090.05 × 93,354.30
  4. Step 4: Simplify right side
    104,726.70x = 14,665,031,654.72
  5. Step 5: Solve for x
    x = 14,665,031,654.72/104,726.70
  6. Step 6: Final answer
    x = 140,031.45

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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.