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Finding the Fourth Proportional to 111,212.74, 153,473.66 and 60,225.87

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Solution

The fourth proportional to 111,212.74, 153,473.66 and 60,225.87 is: 83,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,212.74 : 153,473.66 = 60,225.87 : x
  2. Step 2: Convert to fraction form
    111,212.74/153,473.66 = 60,225.87/x
  3. Step 3: Cross multiply
    111,212.74x = 153,473.66 × 60,225.87
  4. Step 4: Simplify right side
    111,212.74x = 9,243,084,846.15
  5. Step 5: Solve for x
    x = 9,243,084,846.15/111,212.74
  6. Step 6: Final answer
    x = 83,111.75

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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.