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Finding the Fourth Proportional to 104,718.70, 157,078.05 and 93,346.30

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Solution

The fourth proportional to 104,718.70, 157,078.05 and 93,346.30 is: 140,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,718.70 : 157,078.05 = 93,346.30 : x
  2. Step 2: Convert to fraction form
    104,718.70/157,078.05 = 93,346.30/x
  3. Step 3: Cross multiply
    104,718.70x = 157,078.05 × 93,346.30
  4. Step 4: Simplify right side
    104,718.70x = 14,662,654,778.72
  5. Step 5: Solve for x
    x = 14,662,654,778.72/104,718.70
  6. Step 6: Final answer
    x = 140,019.45

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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.