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Finding the Fourth Proportional to 111,622.17, 154,041.15 and 60,636.93

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Solution

The fourth proportional to 111,622.17, 154,041.15 and 60,636.93 is: 83,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622.17 : 154,041.15 = 60,636.93 : x
  2. Step 2: Convert to fraction form
    111,622.17/154,041.15 = 60,636.93/x
  3. Step 3: Cross multiply
    111,622.17x = 154,041.15 × 60,636.93
  4. Step 4: Simplify right side
    111,622.17x = 9,340,581,811.06
  5. Step 5: Solve for x
    x = 9,340,581,811.06/111,622.17
  6. Step 6: Final answer
    x = 83,680.35

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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.