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Finding the Fourth Proportional to 111,597.84, 154,006.11 and 61,296.84

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Solution

The fourth proportional to 111,597.84, 154,006.11 and 61,296.84 is: 84,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,597.84 : 154,006.11 = 61,296.84 : x
  2. Step 2: Convert to fraction form
    111,597.84/154,006.11 = 61,296.84/x
  3. Step 3: Cross multiply
    111,597.84x = 154,006.11 × 61,296.84
  4. Step 4: Simplify right side
    111,597.84x = 9,440,087,883.69
  5. Step 5: Solve for x
    x = 9,440,087,883.69/111,597.84
  6. Step 6: Final answer
    x = 84,590.24

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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.