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Finding the Fourth Proportional to 109,063.76, 150,496.48 and 60,657.84

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Solution

The fourth proportional to 109,063.76, 150,496.48 and 60,657.84 is: 83,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,063.76 : 150,496.48 = 60,657.84 : x
  2. Step 2: Convert to fraction form
    109,063.76/150,496.48 = 60,657.84/x
  3. Step 3: Cross multiply
    109,063.76x = 150,496.48 × 60,657.84
  4. Step 4: Simplify right side
    109,063.76x = 9,128,791,404.40
  5. Step 5: Solve for x
    x = 9,128,791,404.40/109,063.76
  6. Step 6: Final answer
    x = 83,701.42

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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.