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Finding the Fourth Proportional to 74,401.70, 111,602.55 and 44,852.90

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Solution

The fourth proportional to 74,401.70, 111,602.55 and 44,852.90 is: 67,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401.70 : 111,602.55 = 44,852.90 : x
  2. Step 2: Convert to fraction form
    74,401.70/111,602.55 = 44,852.90/x
  3. Step 3: Cross multiply
    74,401.70x = 111,602.55 × 44,852.90
  4. Step 4: Simplify right side
    74,401.70x = 5,005,698,014.90
  5. Step 5: Solve for x
    x = 5,005,698,014.90/74,401.70
  6. Step 6: Final answer
    x = 67,279.35

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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.