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Finding the Fourth Proportional to 111,201.65, 153,459.54 and 60,215.54

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Solution

The fourth proportional to 111,201.65, 153,459.54 and 60,215.54 is: 83,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,201.65 : 153,459.54 = 60,215.54 : x
  2. Step 2: Convert to fraction form
    111,201.65/153,459.54 = 60,215.54/x
  3. Step 3: Cross multiply
    111,201.65x = 153,459.54 × 60,215.54
  4. Step 4: Simplify right side
    111,201.65x = 9,240,648,815.50
  5. Step 5: Solve for x
    x = 9,240,648,815.50/111,201.65
  6. Step 6: Final answer
    x = 83,098.13

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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.