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Finding the Fourth Proportional to 124,774.70, 187,186.35 and 36,031.10

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Solution

The fourth proportional to 124,774.70, 187,186.35 and 36,031.10 is: 54,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,774.70 : 187,186.35 = 36,031.10 : x
  2. Step 2: Convert to fraction form
    124,774.70/187,186.35 = 36,031.10/x
  3. Step 3: Cross multiply
    124,774.70x = 187,186.35 × 36,031.10
  4. Step 4: Simplify right side
    124,774.70x = 6,744,530,095.49
  5. Step 5: Solve for x
    x = 6,744,530,095.49/124,774.70
  6. Step 6: Final answer
    x = 54,053.67

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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.