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Finding the Fourth Proportional to 111,000.24, 153,184 and 60,699.24

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Solution

The fourth proportional to 111,000.24, 153,184 and 60,699.24 is: 83,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.24 : 153,184 = 60,699.24 : x
  2. Step 2: Convert to fraction form
    111,000.24/153,184 = 60,699.24/x
  3. Step 3: Cross multiply
    111,000.24x = 153,184 × 60,699.24
  4. Step 4: Simplify right side
    111,000.24x = 9,298,152,380.16
  5. Step 5: Solve for x
    x = 9,298,152,380.16/111,000.24
  6. Step 6: Final answer
    x = 83,766.96

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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.