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Finding the Fourth Proportional to 110,907.57, 153,063.72 and 65,600.22

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Solution

The fourth proportional to 110,907.57, 153,063.72 and 65,600.22 is: 90,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,907.57 : 153,063.72 = 65,600.22 : x
  2. Step 2: Convert to fraction form
    110,907.57/153,063.72 = 65,600.22/x
  3. Step 3: Cross multiply
    110,907.57x = 153,063.72 × 65,600.22
  4. Step 4: Simplify right side
    110,907.57x = 10,041,013,706.02
  5. Step 5: Solve for x
    x = 10,041,013,706.02/110,907.57
  6. Step 6: Final answer
    x = 90,534.97

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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.