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Finding the Fourth Proportional to 111,199, 153,455.10 and 60,898.84

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Solution

The fourth proportional to 111,199, 153,455.10 and 60,898.84 is: 84,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,199 : 153,455.10 = 60,898.84 : x
  2. Step 2: Convert to fraction form
    111,199/153,455.10 = 60,898.84/x
  3. Step 3: Cross multiply
    111,199x = 153,455.10 × 60,898.84
  4. Step 4: Simplify right side
    111,199x = 9,345,237,582.08
  5. Step 5: Solve for x
    x = 9,345,237,582.08/111,199
  6. Step 6: Final answer
    x = 84,040.66

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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.