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Finding the Fourth Proportional to 111,829, 154,324.02 and 61,526.92

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Solution

The fourth proportional to 111,829, 154,324.02 and 61,526.92 is: 84,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,829 : 154,324.02 = 61,526.92 : x
  2. Step 2: Convert to fraction form
    111,829/154,324.02 = 61,526.92/x
  3. Step 3: Cross multiply
    111,829x = 154,324.02 × 61,526.92
  4. Step 4: Simplify right side
    111,829x = 9,495,081,632.62
  5. Step 5: Solve for x
    x = 9,495,081,632.62/111,829
  6. Step 6: Final answer
    x = 84,907.15

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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.