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Finding the Fourth Proportional to 105,572.98, 145,650.18 and 60,253.48

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Solution

The fourth proportional to 105,572.98, 145,650.18 and 60,253.48 is: 83,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.98 : 145,650.18 = 60,253.48 : x
  2. Step 2: Convert to fraction form
    105,572.98/145,650.18 = 60,253.48/x
  3. Step 3: Cross multiply
    105,572.98x = 145,650.18 × 60,253.48
  4. Step 4: Simplify right side
    105,572.98x = 8,775,930,207.63
  5. Step 5: Solve for x
    x = 8,775,930,207.63/105,572.98
  6. Step 6: Final answer
    x = 83,126.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.